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INCI: HAIR KERATIN AMINO ACIDS
These are small protein fragments derived from keratin, which help to condition both hair and skin. In hair products, they can strengthen strands and reduce breakage, while in skin products, they contribute to hydration and smoothness.
Beneficial for
Safety summary
Generally considered safe for cosmetic use. Allergic reactions are rare but possible for individuals sensitive to proteins.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.