Polyurethane-100 is a synthetic polymer that forms a thin, flexible film on surfaces. In cosmetics, it is primarily used to create a protective layer, enhance product longevity, and improve wear. This film-forming property can help to hold other ingredients in place and provide a smooth finish.
Rated by SpottyLabs' ingredient methodology, independent of brands.
SpottyLabs scans any skincare product and rates every ingredient for benefit, risk and safety. Free and independent — no brand is paying us.
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