ZINC BORATE is graded D (High Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
ZINC BORATE
Safety grade: D
Zinc borate is a mineral compound made from zinc and boron that helps prevent the growth of bacteria and other microorganisms. It's used in cosmetics to keep products fresh and protect skin from unwanted microbes.
This ingredient works as a preservative and antimicrobial agent to prevent bacterial and fungal growth in cosmetic formulations, helping to maintain product safety and extend shelf life.
Graded using: COSING.
- EU COSING — Restricted
- Health Canada — Restricted
Last verified: May 26, 2026
Safer alternatives to ZINC BORATE
- CHLORPHENESIN — Grade B. Synthetic preservative that prevents bacterial and fungal growth in formulations.
- CHLORHEXIDINE DIGLUCONATE — Grade B. Broad-spectrum antimicrobial preservative effective against bacteria and fungi.
- SODIUM ANISATE — Grade A. Natural preservative that inhibits microbial growth to extend product shelf life.
Other Antimicrobial ingredients
- ALCOHOL — Grade A**
- C12-15 ALKYL BENZOATE — Grade A
- BENZYL BENZOATE — Grade C
- CETRIMONIUM CHLORIDE — Grade A
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A
- HYDROGEN PEROXIDE — Grade C**
- CETYLPYRIDINIUM CHLORIDE — Grade A