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

HYDROXYPROPYL CHITOSAN

Safety grade: A

This ingredient is a modified form of chitosan, a natural substance derived from shellfish shells. It's used in skincare products to create a protective layer on the skin's surface.

Hydroxypropyl Chitosan forms a breathable film on the skin that helps lock in moisture, smooth the appearance, and provide a subtle tightening effect.

Graded using: COSING, FDA.

Last verified: May 26, 2026

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