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

THIOACETANILIDE

Safety grade: A

Thioacetanilide is a synthetic chemical compound that acts as a preservative and skin-lightening agent. It works by preventing oxidation and helping to reduce the appearance of dark spots or uneven skin tone.

This ingredient is used in cosmetics for its antioxidant properties to prevent product degradation and for its bleaching effects to help lighten and even out skin tone.

Graded using: COSING.

Last verified: May 26, 2026

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