ZINC CYSTEINATE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.

ZINC CYSTEINATE

Safety grade: C

Zinc Cysteinate is a compound made from zinc combined with an amino acid called cysteine. It's used in skincare products to help protect skin from bacteria and microbes that can cause odor or infection.

This ingredient works as an antimicrobial agent to prevent the growth of bacteria and other microorganisms on the skin, helping to keep skin cleaner and fresher.

Graded using: COSING.

Last verified: May 26, 2026

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