SULFONATED CHITOSAN is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SULFONATED CHITOSAN

Safety grade: A

Derived from shellfish shells, this ingredient works as a film-former and thickener in cosmetics, helping products adhere to skin and hair while creating a smooth texture. It also has mild conditioning properties that can help improve the feel and appearance of hair and skin.

Graded using: COSING.

Last verified: June 9, 2026