Ingredient
Polyurethane-15
PU-15
What it is
A synthetic film-forming polymer copolymerized from isophorone diisocyanate, adipic acid, triethylene glycol and dimethylolpropanoic acid.
How it works
It dries into a thin, flexible, breathable film on the skin's surface that helps hold formulation actives and texture in place while adding a smoothing, semi-matte finish.
What it does
Viscosity controlling
Film forming
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.