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A synthetic polymer that functions as a film-forming agent in cosmetics, often used in sunscreens and other products to provide water resistance and improve spreadability.
Beneficial for
Safety summary
Generally considered safe for cosmetic use. Polyesters are typically inert.
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.