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

THIANTHOL

Safety grade: A

Thianthol is a synthetic compound that helps keep cosmetic products fresh and free from unwanted bacteria and microbes. It also works to moisturize and improve the overall feel and condition of your skin.

This ingredient protects cosmetic formulas from microbial contamination while providing skin conditioning benefits to help maintain soft, healthy-looking skin.

Graded using: COSING.

Last verified: May 26, 2026