S-STEAROYL GLUTATHIONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

S-STEAROYL GLUTATHIONE

Safety grade: A

This is a skin-conditioning ingredient made by combining glutathione (a naturally occurring antioxidant) with stearic acid (a fatty substance). It helps moisturize and protect skin while supporting its natural defenses against environmental damage. It's commonly used in anti-aging and brightening skincare products.

Graded using: COSING.

Last verified: June 9, 2026