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

OXOTHIAZOLIDINE

Safety grade: A

Oxothiazolidine is a synthetic compound created in the laboratory that works to protect skin from environmental damage and oxidative stress. It acts as an antioxidant and skin-conditioning agent.

This ingredient is used in cosmetics to protect the skin from free radical damage, support the skin barrier, and help maintain skin health and resilience.

Graded using: COSING.

Last verified: May 26, 2026