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POLYURETHANE-34 is a synthetic polymer that forms a flexible, non-tacky film on skin or hair, providing hold or improving product longevity. It also functions as a suspending agent to prevent solid particles from settling.
Beneficial for
Safety summary
Generally considered safe for cosmetic use, as its large molecular size prevents significant skin penetration.
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.