CHITOSAN CROSSPOLYMER is graded A (Safe) by Expert·ING, based on COSING regulatory data.
CHITOSAN CROSSPOLYMER
Safety grade: A
Derived from crustacean shells, this ingredient works as a film-former and thickener in cosmetics, helping products stick to skin and hair while improving texture. It also has mild oil-absorbing properties, making it useful in foundations and other makeup products that need to stay put throughout the day.
Graded using: COSING.
Last verified: June 9, 2026