Tap what applies — every card instantly flags it for you. Stays on your device, syncs if you're signed in.
Ingredient Facts
Polyurethane-48
AKA: Polyurethane polymer, Film-forming agent
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Not Clean
Polyurethane-48 is a copolymer of hexanediol, neopentyl glycol, adipic acid, isophorone diisocyanate, isophorone diamine and sodium N-(2-aminoethyl)-3-aminoethanesulfonic acid monomers.
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
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.