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A polypeptide derived from the amino acids Arginine and Lysine, used in cosmetics for its skin and hair conditioning properties, often contributing to hydration and elasticity.
Beneficial for
Safety summary
Generally considered safe.
CAS Number
31014-78-5
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.