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

XANTHOPTERIN

Safety grade: A

A naturally occurring yellow pigment found in some insects and plants, this ingredient is used in cosmetics for its potential antioxidant properties. It may help protect skin from environmental damage and is sometimes included in skincare formulations to support overall skin health.

Graded using: COSING.

Last verified: June 9, 2026