S-GLYOXYLOYL ACETYL CYSTEINE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

S-GLYOXYLOYL ACETYL CYSTEINE

Safety grade: A

This ingredient is a compound derived from amino acids that works to protect skin from environmental damage and oxidative stress. It helps maintain skin's natural defenses and can support a smoother, more resilient complexion when used in skincare products.

Graded using: COSING.

Last verified: June 9, 2026