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Quick Answer Keratin protein powder is a protein-based ingredient made from keratin-rich animal materials such as feathers or wool. Native […]

Quick Answer Keratin protein powder is a protein-based ingredient made from keratin-rich animal materials such as feathers or wool. Native […]

Hydrolyzed keratin and hydrolyzed wheat protein are not the same ingredient, and neither is universally better. Keratin is normally animal-derived