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

CHITOSAN

Safety grade: A

Chitosan is a natural substance derived from the shells of shellfish like shrimp and crab. It forms a flexible, breathable coating on skin or hair that helps products stay in place longer.

Chitosan creates a protective film on hair and skin that helps hold styling products in place while maintaining flexibility and providing a light conditioning effect.

Graded using: COSING, FDA.

Last verified: May 26, 2026