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A film-forming polymer widely used in hair care products for hold, styling, and humidity resistance, and sometimes in skin care for water resistance.
Beneficial for
Safety summary
Generally considered safe for cosmetic use, with a low potential for irritation.
CAS Number
70801-07-9
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.