ZINC ASCORBATE HYDROXIDE is graded B (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.

ZINC ASCORBATE HYDROXIDE

Safety grade: B

This is a compound combining zinc with a form of vitamin C, created in a laboratory. It works as a stabilized vitamin C derivative that offers antioxidant and protective benefits to hair and skin.

This ingredient is used in cosmetics to condition and protect hair and skin while providing antioxidant defense and UV protection.

Graded using: COSING.

Last verified: May 26, 2026

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