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

MATAIRESINOL

Safety grade: A

A plant-derived compound found in wood and seeds, this ingredient works to protect skin from environmental damage and support its natural defenses. It's often included in skincare products for its antioxidant properties, helping to maintain skin's health and appearance over time.

Graded using: COSING.

Last verified: June 9, 2026