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A synthetic copolymer of PPG-51 and SMDI (methylene diphenyl diisocyanate) that functions as a film-former, providing water resistance and enhancing product aesthetics.
Beneficial for
May aggravate
Safety summary
Generally considered safe for use in cosmetics.
CAS Number
9042-82-4
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.