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INCI: HYDROXYPROLINE
An amino acid that is a major component of collagen. In cosmetics, it functions as a skin conditioning agent, helping to improve skin elasticity and firmness.
Beneficial for
Safety summary
Generally considered safe and non-irritating for cosmetic use.
CAS Number
51-35-4
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.