{"id":4489,"date":"2026-06-09T11:59:41","date_gmt":"2026-06-09T03:59:41","guid":{"rendered":"https:\/\/collagensei.com\/?p=4489"},"modified":"2026-06-09T11:59:44","modified_gmt":"2026-06-09T03:59:44","slug":"nachtkerzenol-fur-die-haare","status":"publish","type":"post","link":"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/","title":{"rendered":"Nachtkerzen\u00f6l f\u00fcr die Haare: GLA, Pflege der Kopfhaut und Leitfaden zur Zusammensetzung von Nahrungserg\u00e4nzungsmitteln"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Inhalts\u00fcbersicht<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Inhaltsverzeichnis umschalten\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Umschalten auf<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Quick_Answer_Is_evening_primrose_oil_good_for_hair\" >Quick Answer: Is evening primrose oil good for hair?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#What_is_Evening_Primrose_Oil\" >Was ist Nachtkerzen\u00f6l?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Evening_Primrose_Vs_Common_Primrose\" >Nachtkerze im Vergleich Gemeine Schl\u00fcsselblume<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#What_evening_primrose_oil_can_and_cannot_do_for_hair\" >What evening primrose oil can and cannot do for hair<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Evening_Primrose_Oil_Dosage_for_Hair_Loss\" >Nachtkerzen\u00f6l Dosierung f\u00fcr Haarausfall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Oral_softgels_vs_topical_hair_oils_Which_format_makes_more_sense\" >Oral softgels vs topical hair oils: Which format makes more sense?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#How_to_Use_Evening_Primrose_Oil_for_Hair\" >Wie man Nachtkerzen\u00f6l f\u00fcr das Haar verwendet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Safety_and_Side_Effects_of_Evening_Primrose_Oil\" >Sicherheit und Nebenwirkungen von Nachtkerzen\u00f6l<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#B2B_formulation_notes_for_evening_primrose_oil_hair_products\" >B2B formulation notes for evening primrose oil hair products<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#When_to_Seek_Professional_Help\" >Wann Sie professionelle Hilfe in Anspruch nehmen sollten<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Scientific_Evidence_and_Limitations\" >Wissenschaftliche Beweise und Grenzen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Conclusion_How_brands_should_use_evening_primrose_oil_for_hair_products\" >Conclusion: How brands should use evening primrose oil for hair products<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Need_help_developing_an_EPO_hair-support_product\" >Need help developing an EPO hair-support product?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#FAQs\" >FAQs<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Does_evening_primrose_oil_thicken_hair\" >Does evening primrose oil thicken hair?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Can_evening_primrose_oil_regrow_hair\" >Can evening primrose oil regrow hair?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Is_evening_primrose_oil_better_as_a_capsule_or_topical_oil\" >Is evening primrose oil better as a capsule or topical oil?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Does_evening_primrose_oil_contain_biotin\" >Does evening primrose oil contain biotin?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#What_should_brands_check_before_sourcing_evening_primrose_oil\" >What should brands check before sourcing evening primrose oil?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Can_an_EPO_supplement_claim_to_treat_hair_loss\" >Can an EPO supplement claim to treat hair loss?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#What_is_the_best_dosage_form_for_private_label_EPO_hair_products\" >What is the best dosage form for private label EPO hair products?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#Who_should_avoid_evening_primrose_oil\" >Who should avoid evening primrose oil?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/collagensei.com\/de\/evening-primrose-oil-for-hair\/#References\" >Referenzen<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Answer_Is_evening_primrose_oil_good_for_hair\"><\/span>Quick Answer: Is evening primrose oil good for hair?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-3ace4a39 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp ,https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp 780w, https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp\" alt=\"Nachtkerzen\u00f6l zur Unterst\u00fctzung der Haarpflege \u2013 Softgel-Formulierung\" class=\"uag-image-20900\" width=\"1000\" height=\"545\" title=\"evening-primrose-oil-hair-support-softgel\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Evening primrose oil (EPO) is a plant seed oil naturally rich in gamma-linolenic acid (GLA), an omega-6 fatty acid used in skin, scalp, and beauty-from-within supplement positioning. For hair-focused products, EPO is best understood as a scalp-support and fatty-acid ingredient, not a guaranteed hair regrowth treatment.<br><br>For consumers, EPO may help support a healthier scalp environment, especially when dryness, irritation, or poor fatty-acid intake is part of the concern. However, it should not be presented as a cure for hair loss, alopecia, or hormonal hair thinning.<br><br>For supplement brands, EPO is more valuable as a formulation ingredient for hair-support softgels, beauty supplements, women\u2019s wellness products, and scalp-care oil blends. The key is to verify GLA content, oxidation status, extraction method, COA quality, packaging protection, and claim language before turning it into a finished product.<\/p>\n\n\n\nIf your brand is comparing EPO with biotin, collagen, zinc, or other beauty ingredients, <a href=\"\/de\/hersteller-von-nahrungserganzungsmitteln-nach-mas\/\" target=\"_blank\" rel=\"noopener\">Individuelle Formulierung von Erg\u00e4nzungsmitteln<\/a> support can help match the ingredient system with realistic claims and dosage forms.\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_Evening_Primrose_Oil\"><\/span>Was ist Nachtkerzen\u00f6l?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Abend <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/de\/das-legendare-nachtkerzenol-ist-es-wirklich-nutzlich\/\" target=\"_blank\"  rel=\"noopener\" title=\"Das legend\u00e4re \u201cNachtkerzen\u00f6l\u201d \u2013 ist es wirklich n\u00fctzlich?\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2969\">Primel\u00f6l<\/a> is extracted from the seeds of Oenothera biennis. Its main nutritional value comes from linoleic acid and gamma-linolenic acid (GLA), a fatty acid often used in skin-barrier, scalp-comfort, and women\u2019s wellness formulations.<br><br>In supplement manufacturing, EPO is usually supplied as a liquid oil for softgel filling or as an ingredient in topical oil blends. A high-quality EPO ingredient should disclose its GLA percentage, extraction method, peroxide value, acid value, country of origin, storage conditions, and COA results.<br><br>For hair-focused products, the question is not simply whether EPO is \u201cgood for hair.\u201d The more useful question is whether the oil is standardized, stable, properly packaged, and positioned with realistic claims.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-ec2ae13c wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/gla-scalp-barrier-hair-support.webp ,https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/gla-scalp-barrier-hair-support.webp 780w, https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/gla-scalp-barrier-hair-support.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/gla-scalp-barrier-hair-support.webp\" alt=\"GLA scalp barrier and hair support mechanism\" class=\"uag-image-20902\" width=\"1000\" height=\"545\" title=\"gla-scalp-barrier-hair-support\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Evening_Primrose_Vs_Common_Primrose\"><\/span>Nachtkerze im Vergleich Gemeine Schl\u00fcsselblume<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Evening primrose (Oenothera biennis) and common primrose (Primula vulgaris) are different plants, often confused due to similar names. Evening primrose is a tall, biennial plant with yellow flowers that open in the evening. Its seeds are pressed to make EPO, rich in GLA. Common primrose, a low-growing perennial with pale yellow or pink flowers, is mostly ornamental and not used for oil production. While common primrose has some traditional medicinal uses (e.g., for coughs), it lacks the GLA content that makes EPO valuable for hair health. Always check product labels to ensure you\u2019re getting evening <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/de\/nachtkerzenol-vs-dha-algenol-ein-vergleichender-uberblick\/\" target=\"_blank\"  rel=\"noopener\" title=\"Nachtkerzen\u00f6l vs. DHA-Algen\u00f6l: Ein vergleichender \u00dcberblick\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2970\">Primel\u00f6l<\/a>, not a common primrose extract.<\/p>\n\n\n\nFor botanical and seed-oil products, <a href=\"\/de\/herstellung-von-pflanzlichen-erganzungen\/\" target=\"_blank\" rel=\"noopener\">Herstellung von pflanzlichen Erg\u00e4nzungen<\/a> expertise can help brands manage ingredient identity, sourcing, and quality documentation.\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_evening_primrose_oil_can_and_cannot_do_for_hair\"><\/span>What evening primrose oil can and cannot do for hair<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Evening primrose oil may support hair and scalp health indirectly by helping maintain fatty-acid intake and supporting skin and scalp barrier function. Because the scalp is skin, ingredients that support skin comfort and moisture can be relevant to hair-care positioning.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What EPO may support:<br>&#8211; scalp moisture and comfort,<br>&#8211; healthy-looking hair positioning,<br>&#8211; beauty-from-within formulas,<br>&#8211; fatty-acid support for skin and scalp,<br>&#8211; women\u2019s wellness supplement concepts.<br><br>What EPO should not be claimed to do:<br>&#8211; cure hair loss,<br>&#8211; reverse androgenetic alopecia,<br>&#8211; treat alopecia areata,<br>&#8211; block DHT as a drug-like mechanism,<br>&#8211; regrow hair in users with medical hair-loss conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This distinction is important. A hair-support supplement can be positioned around scalp comfort, skin barrier support, beauty-from-within, and healthy hair appearance. It should not be marketed as a treatment for medical hair loss unless supported by appropriate regulatory approval and clinical evidence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Evening_Primrose_Oil_Dosage_for_Hair_Loss\"><\/span>Nachtkerzen\u00f6l Dosierung f\u00fcr Haarausfall<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die richtige Dosierung von Nachtkerzen\u00f6l h\u00e4ngt davon ab, ob Sie es oral einnehmen oder auf Ihre Kopfhaut auftragen. Bei oraler Einnahme liegt die \u00fcbliche Dosis bei 500-1.000 mg pro Tag, wobei die Kapseln standardisiert sind und 8-10% GLA enthalten. Beginnen Sie mit einer niedrigeren Dosis, z. B. 500 mg, und erh\u00f6hen Sie sie bei Bedarf. Nehmen Sie EPO mit der Nahrung ein, um die Absorption zu verbessern und Magenbeschwerden zu vermeiden. Best\u00e4ndigkeit ist der Schl\u00fcssel - es kann 2-3 Monate dauern, bis sich Ergebnisse zeigen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00fcr die \u00e4u\u00dferliche Anwendung mischen Sie einige Tropfen EPO mit einem Tr\u00e4ger\u00f6l wie Kokosnuss- oder Jojoba\u00f6l. Tragen Sie es 2-3 Mal pro Woche auf Ihre Kopfhaut auf und massieren Sie es sanft ein, um die Durchblutung zu f\u00f6rdern. Lassen Sie es 30 Minuten oder \u00fcber Nacht einwirken, bevor Sie es auswaschen. Einige Haarprodukte enthalten bereits EPO, achten Sie also auf das Etikett, um einen \u00fcberm\u00e4\u00dfigen Gebrauch zu vermeiden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sprechen Sie immer mit Ihrem Arzt, bevor Sie mit EPO beginnen, insbesondere wenn Sie gesundheitliche Probleme haben oder Medikamente einnehmen. Er kann Ihnen eine Dosierung empfehlen, die Ihren Bed\u00fcrfnissen entspricht, insbesondere wenn der Haarausfall mit hormonellen oder medizinischen Problemen zusammenh\u00e4ngt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oral_softgels_vs_topical_hair_oils_Which_format_makes_more_sense\"><\/span>Oral softgels vs topical hair oils: Which format makes more sense?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-e5715daf wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/epo-softgel-vs-topical-hair-oil.webp ,https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/epo-softgel-vs-topical-hair-oil.webp 780w, https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/epo-softgel-vs-topical-hair-oil.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/epo-softgel-vs-topical-hair-oil.webp\" alt=\"Evening primrose oil softgel vs topical hair oil comparison\" class=\"uag-image-20908\" width=\"1000\" height=\"545\" title=\"epo-softgel-vs-topical-hair-oil\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Evening primrose oil can appear in two different product formats: oral supplements and topical scalp oils. These two formats should not be treated as the same product.<br><br>Oral EPO softgels are better suited for beauty-from-within, women\u2019s wellness, and fatty-acid support positioning. They are easier to dose, easier to package, and more familiar to supplement consumers.<br><br>Topical EPO oils are better suited for scalp comfort, hair-care routines, and cosmetic positioning. However, topical oils require different formulation work, including carrier oil selection, fragrance compatibility, skin feel, viscosity, oxidation control, and preservative or packaging considerations.<br><br>For brands, the choice depends on the business model. A dietary supplement brand may prefer EPO softgels. A hair-care brand may prefer a scalp oil blend. A hybrid beauty brand may use both: an oral softgel plus a topical hair oil as a bundled routine.<\/p>\n\n\n\nFor brands developing oral EPO hair-support products, <a href=\"\/de\/hersteller-von-softgel-kapseln\/\" target=\"_blank\" rel=\"noopener\">softgel capsule manufacturing<\/a> is often the most practical format for oil protection, precise dosage, and retail-ready presentation.\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Use_Evening_Primrose_Oil_for_Hair\"><\/span>Wie man Nachtkerzen\u00f6l f\u00fcr das Haar verwendet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Einnahme von Nachtkerzen\u00f6l ist einfach und kann in den Tagesablauf integriert werden. Bei oraler Einnahme sollten Sie die Kapseln mit einer Mahlzeit einnehmen, um die Aufnahme zu erleichtern. Kombinieren Sie EPO mit anderen haarunterst\u00fctzenden N\u00e4hrstoffen wie Biotin, Zink oder <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/de\/vitaminlieferant\/vitamin-d-hersteller\/\" target=\"_blank\" rel=\"noopener\" title=\"Vitamin D Hersteller\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"2635\">Vitamin D<\/a> f\u00fcr bessere Ergebnisse. Eine Ern\u00e4hrung, die reich an Obst, Gem\u00fcse und gesunden Fetten ist, f\u00f6rdert ebenfalls die Gesundheit der Haare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zur \u00e4u\u00dferlichen Anwendung k\u00f6nnen Sie eine DIY-Kopfhautbehandlung ausprobieren. Mischen Sie 5-10 Tropfen EPO mit einem Essl\u00f6ffel eines Tr\u00e4ger\u00f6ls (z. B. Kokosnuss, Jojoba oder Mandel). Massieren Sie es in Ihre Kopfhaut ein und konzentrieren Sie sich dabei auf d\u00fcnne oder trockene Stellen. Lassen Sie es 30-60 Minuten oder \u00fcber Nacht einwirken, um eine tiefere N\u00e4hrstoffversorgung zu erreichen, und waschen Sie es dann wie gewohnt. Sie k\u00f6nnen auch ein paar Tropfen EPO in Ihre Haarsp\u00fclung geben, um zus\u00e4tzliche Feuchtigkeit zu erhalten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die besten Ergebnisse erzielen Sie, wenn Sie EPO konsequent anwenden. Kombinieren Sie es mit sanften Haarpflegepraktiken, wie dem Verzicht auf scharfe Shampoos oder Hitzestyling. Ein ganzheitlicher Ansatz - gute Ern\u00e4hrung, Stressmanagement und regelm\u00e4\u00dfige Kopfhautpflege - maximiert die Vorteile von EPO.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Safety_and_Side_Effects_of_Evening_Primrose_Oil\"><\/span>Sicherheit und Nebenwirkungen von Nachtkerzen\u00f6l<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nachtkerzen\u00f6l ist im Allgemeinen f\u00fcr die meisten Menschen unbedenklich, doch k\u00f6nnen Nebenwirkungen auftreten. Zu den h\u00e4ufigsten geh\u00f6ren leichte Magenverstimmungen, \u00dcbelkeit oder Kopfschmerzen. Die Einnahme von EPO mit dem Essen kann diese Probleme verringern. In seltenen F\u00e4llen kann es zu allergischen Reaktionen wie Hautausschl\u00e4gen kommen. In diesem Fall sollten Sie die Einnahme abbrechen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EPO kann mit bestimmten Medikamenten, einschlie\u00dflich Blutverd\u00fcnnern (z. B. Warfarin) und Epilepsie-Medikamenten (z. B. Phenytoin), in Wechselwirkung treten. Es kann auch das Blutungsrisiko erh\u00f6hen, weshalb es vor Operationen vermieden werden sollte. Schwangere oder stillende Frauen sollten EPO nur unter \u00e4rztlicher Aufsicht einnehmen, da es die Hormone beeinflussen kann.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">W\u00e4hlen Sie hochwertiges EPO, um Verunreinigungen zu vermeiden. Achten Sie auf Produkte, die von Dritten auf Reinheit und Wirksamkeit gepr\u00fcft wurden. Hersteller von Nahrungserg\u00e4nzungsmitteln mit geringer Mindestbestellmenge (MOQ) k\u00f6nnen ma\u00dfgeschneiderte, hochwertige Formulierungen f\u00fcr spezielle Bed\u00fcrfnisse anbieten. Halten Sie sich immer an die Dosierungsrichtlinien und konsultieren Sie einen Arzt, wenn Sie sich unsicher sind.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"B2B_formulation_notes_for_evening_primrose_oil_hair_products\"><\/span>B2B formulation notes for evening primrose oil hair products<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For supplement brands, evening primrose oil is not difficult to understand as an ingredient, but it does require careful handling as an oil-based raw material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before purchasing EPO for a hair-support formula, request:<br>&#8211; GLA percentage,<br>&#8211; peroxide value,<br>&#8211; acid value,<br>&#8211; extraction method,<br>&#8211; COA and specification sheet,<br>&#8211; allergen statement,<br>&#8211; pesticide or solvent testing if applicable,<br>&#8211; country of origin,<br>&#8211; recommended storage temperature,<br>&#8211; and shelf-life data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For softgel products, brands should also evaluate capsule size, fill weight, gelatin vs vegetarian shell compatibility, leakage risk, antioxidant system, and packaging protection from heat, light, and oxygen.<br><br>For topical scalp oils, brands should evaluate skin feel, carrier oil compatibility, fragrance system, oxidation risk, dropper or pump packaging, and whether the product should be positioned as a cosmetic rather than a dietary supplement.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-3b6b31f8 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-coa-quality-testing.webp ,https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-coa-quality-testing.webp 780w, https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-coa-quality-testing.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-coa-quality-testing.webp\" alt=\"Evening primrose oil COA quality testing for GLA peroxide value and acid value\" class=\"uag-image-20915\" width=\"1000\" height=\"545\" title=\"evening-primrose-oil-coa-quality-testing\" role=\"img\"\/><\/figure><\/div>\n\n\n\nA structured <a href=\"\/de\/qualitatskontrolle-der-beilagen\/\" target=\"_blank\" rel=\"noopener\">Qualit\u00e4tskontrolle der Beilagen<\/a> review can help verify GLA content, peroxide value, acid value, COA documentation, and finished-product stability.\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_Seek_Professional_Help\"><\/span>Wann Sie professionelle Hilfe in Anspruch nehmen sollten<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nachtkerzen\u00f6l kann die Gesundheit der Haare unterst\u00fctzen, aber es ist kein Heilmittel f\u00fcr jeden Haarausfall. Wenn Sie pl\u00f6tzlichen oder starken Haarausfall, kahle Stellen oder Kopfhautschmerzen bemerken, sollten Sie einen Arzt oder Dermatologen aufsuchen. Dies k\u00f6nnten Anzeichen f\u00fcr Erkrankungen wie Schilddr\u00fcsenst\u00f6rungen, Eisenmangel oder Autoimmunerkrankungen sein, die medizinisch behandelt werden m\u00fcssen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ein Fachmann kann auch pr\u00fcfen, ob N\u00e4hrstoffm\u00e4ngel oder hormonelle Ungleichgewichte die Ursache f\u00fcr Haarprobleme sind. Wenn EPO oder andere Mittel nach 3-6 Monaten keine Besserung bringen, kann ein Arzt st\u00e4rkere Behandlungen wie Minoxidil oder eine Hormontherapie empfehlen. Verlassen Sie sich nicht allein auf Nahrungserg\u00e4nzungsmittel, wenn Ihr Haarausfall Ihre Lebensqualit\u00e4t beeintr\u00e4chtigt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Scientific_Evidence_and_Limitations\"><\/span>Wissenschaftliche Beweise und Grenzen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The evidence for evening primrose oil and hair growth is limited. Some studies on fatty acids and antioxidant combinations have reported improvements in hair density or shedding-related outcomes, but these formulas often include multiple nutrients rather than EPO alone. That means the results should not be interpreted as proof that evening primrose oil by itself regrows hair.<br><br>The strongest support for EPO is its role as a source of GLA and its relevance to skin and scalp barrier positioning. This makes it useful for beauty-from-within and scalp-comfort formulas, but not a standalone solution for medical hair loss.<br><br>For content and product claims, the safest approach is to describe EPO as supporting scalp comfort, skin barrier function, and healthy-looking hair, while clearly stating that users with sudden, severe, patchy, or persistent hair loss should consult a healthcare professional.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion_How_brands_should_use_evening_primrose_oil_for_hair_products\"><\/span>Conclusion: How brands should use evening primrose oil for hair products<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Evening primrose oil can be a useful ingredient for hair-support and beauty-from-within products, but it should be positioned carefully. Its value comes from GLA and fatty-acid support, not from a guaranteed hair-regrowth effect.<br><br>For consumers, EPO may be considered as part of a broader scalp and beauty routine. For brands, EPO is more interesting as a softgel, scalp oil, or women\u2019s beauty supplement ingredient when the formula is supported by strong COA documentation, oxidation control, appropriate packaging, and realistic claim language.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-0cc0926d wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-softgel-manufacturing.webp ,https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-softgel-manufacturing.webp 780w, https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-softgel-manufacturing.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-softgel-manufacturing.webp\" alt=\"Evening primrose oil softgel manufacturing for hair support supplements\" class=\"uag-image-20921\" width=\"1000\" height=\"545\" title=\"evening-primrose-oil-softgel-manufacturing\" role=\"img\"\/><\/figure><\/div>\n\n\n\nIf you are preparing a market-ready hair-support supplement, our <a href=\"\/de\/eigenmarkenerganzung\/\" target=\"_blank\" rel=\"noopener\">kundenspezifische Eigenmarkenerg\u00e4nzungen<\/a> service can support formulation, manufacturing, packaging, and launch planning.\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Need_help_developing_an_EPO_hair-support_product\"><\/span>Need help developing an EPO hair-support product?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gensei can support evening primrose oil softgels, beauty-from-within supplements, scalp oil blends, custom formulations, and private label hair-support products. Send us your target dosage form, GLA specification, packaging plan, and market positioning to review feasibility before production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_evening_primrose_oil_thicken_hair\"><\/span>Does evening primrose oil thicken hair?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Evening primrose oil should not be claimed to directly thicken hair. It may support scalp comfort, fatty-acid intake, and healthy-looking hair positioning, but it is not a proven hair-thickening treatment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_evening_primrose_oil_regrow_hair\"><\/span>Can evening primrose oil regrow hair?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">There is not enough evidence to say that EPO alone regrows hair. If hair loss is caused by genetics, thyroid issues, iron deficiency, autoimmune disease, or medication, EPO is unlikely to solve the root cause. It is better positioned as a supportive beauty and scalp-health ingredient.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_evening_primrose_oil_better_as_a_capsule_or_topical_oil\"><\/span>Is evening primrose oil better as a capsule or topical oil?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Capsules are better for beauty-from-within and fatty-acid support positioning. Topical oils are better for scalp comfort and cosmetic hair-care routines. Brands should choose the format based on claim, packaging, target customer, and regulatory category.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_evening_primrose_oil_contain_biotin\"><\/span>Does evening primrose oil contain biotin?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Evening primrose oil does not naturally contain biotin. It is primarily valued for GLA and linoleic acid. A hair-support formula may combine EPO with biotin, zinc, vitamin D, collagen peptides, or other beauty ingredients if the combination is appropriate and substantiated.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_should_brands_check_before_sourcing_evening_primrose_oil\"><\/span>What should brands check before sourcing evening primrose oil?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Brands should check GLA content, peroxide value, acid value, extraction method, COA, country of origin, allergen statement, pesticide or solvent testing if applicable, and storage conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_an_EPO_supplement_claim_to_treat_hair_loss\"><\/span>Can an EPO supplement claim to treat hair loss?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Dietary supplements should not claim to diagnose, treat, cure, or prevent hair loss or alopecia. Safer structure\/function-style language includes supports scalp comfort, supports skin barrier function, and supports healthy-looking hair.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_best_dosage_form_for_private_label_EPO_hair_products\"><\/span>What is the best dosage form for private label EPO hair products?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Softgels are usually the most practical option for dietary supplements because they protect the oil, control dose, and reduce taste issues. Topical scalp oils can work for cosmetic brands but require different stability and packaging tests.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Who_should_avoid_evening_primrose_oil\"><\/span>Who should avoid evening primrose oil?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Consumers who are pregnant or breastfeeding, taking blood thinners, preparing for surgery, or using seizure medications should consult a healthcare professional before using EPO. Brands should include appropriate caution language based on target market regulations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"References\"><\/span>Referenzen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><em>NCCIH. Evening Primrose Oil: Usefulness and Safety.<\/em><\/strong><br><a href=\"https:\/\/www.nccih.nih.gov\/health\/evening-primrose-oil\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.nccih.nih.gov\/health\/evening-primrose-oil<\/a><\/li>\n\n\n\n<li><strong><em>PubMed. Effect of a nutritional supplement on hair loss in women.<\/em><\/strong><br><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25573272\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/25573272\/<\/a><\/li>\n\n\n\n<li><strong><em>PubMed. Systemic evening primrose oil improves the biophysical skin parameters of healthy adults.<\/em><\/strong><br><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18492193\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pubmed.ncbi.nlm.nih.gov\/18492193\/<\/a><\/li>\n\n\n\n<li><strong><em>PMC. The role of linoleic acid in skin and hair health: A review.<\/em><\/strong><br><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11719646\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11719646\/<\/a><\/li>\n\n\n\n<li><strong><em>PMC. Natural ingredients in alopecia \/ dermatologic effectiveness review.<\/em><\/strong><br><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10761108\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10761108\/<\/a><\/li>\n\n\n\n<li><strong><em>FDA. Struktur\/Funktions-Anspr\u00fcche.<\/em><\/strong><br><a href=\"https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/structurefunction-claims\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/structurefunction-claims<\/a><\/li>\n\n\n\n<li><strong><em>FDA. Questions and Answers on Dietary Supplements.<\/em><\/strong><br><a href=\"https:\/\/www.fda.gov\/food\/information-consumers-using-dietary-supplements\/questions-and-answers-dietary-supplements\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.fda.gov\/food\/information-consumers-using-dietary-supplements\/questions-and-answers-dietary-supplements<\/a><\/li>\n\n\n\n<li><strong><em>PMC. Skin, hair, and nail supplements: marketing and labeling concerns.<\/em><\/strong><br><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC7802115\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC7802115\/<\/a><\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Quick Answer: Is evening primrose oil good for hair? Evening primrose oil (EPO) is a plant seed oil naturally rich [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":20900,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[312],"tags":[481,600],"class_list":["post-4489","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evening-primrose-oil","tag-custom-supplement-formulation","tag-gla"],"uagb_featured_image_src":{"full":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp",1000,545,false],"thumbnail":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel-150x150.webp",150,150,true],"medium":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel-300x164.webp",300,164,true],"medium_large":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel-768x419.webp",768,419,true],"large":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp",1000,545,false],"1536x1536":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp",1000,545,false],"2048x2048":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel.webp",1000,545,false],"trp-custom-language-flag":["https:\/\/collagensei.com\/wp-content\/uploads\/2025\/07\/evening-primrose-oil-hair-support-softgel-18x10.webp",18,10,true]},"uagb_author_info":{"display_name":"w.wenyang","author_link":"https:\/\/collagensei.com\/de\/author\/w-wenyang\/"},"uagb_comment_info":0,"uagb_excerpt":"Quick Answer: Is evening primrose oil good for hair? Evening primrose oil (EPO) is a plant seed oil naturally rich [&hellip;]","_links":{"self":[{"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/posts\/4489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/comments?post=4489"}],"version-history":[{"count":3,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/posts\/4489\/revisions"}],"predecessor-version":[{"id":20924,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/posts\/4489\/revisions\/20924"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/media\/20900"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/media?parent=4489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/categories?post=4489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collagensei.com\/de\/wp-json\/wp\/v2\/tags?post=4489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}