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Ingredient Facts
Polyurethane-50
AKA: Polyurethane polymer, Film-forming agent
Ingredient · Nail Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Polyurethane-50 is a copolymer of poly(1,4-butanediol)l, 1,3-bis(isocyanatomethyl)benzene, ethoxylated 4,4'-isopropylidenediphenol and 4-hydroxyethyl acrylate
See origin →
Functions
Nail Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Strengthens nails
Traditional Use
Synthetic polymer developed in the mid-20th century. Used in cosmetics as a film-forming and conditioning agent in hair and skin products.