Ingredient
Castor Oil/IPDI Copolymer
What it is
A polyurethane-type polymer formed by reacting castor oil with isophorone diisocyanate (IPDI), used to build a flexible, cushioned film in cream textures.
How it works
The cross-linked polymer network forms a thin, elastic film on skin that helps suspend and bind other formula ingredients, giving a smooth, long-wearing, gel-like after-feel.
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.