RH-POLYPEPTIDE-31 is graded F (Banned) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexII.
RH-POLYPEPTIDE-31
Safety grade: F
This is a lab-created protein fragment designed to protect skin from bacteria and other harmful microorganisms. It works as a protective shield on the skin's surface.
This ingredient helps prevent bacterial growth and protects the skin from environmental damage and microbial contamination.
Graded using: COSING.
- EU COSING — Prohibited
Last verified: May 26, 2026
Safer alternatives to RH-POLYPEPTIDE-31
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A. Plant extract with proven antimicrobial and skin-protective antioxidant properties.
- ROSMARINUS OFFICINALIS LEAF EXTRACT — Grade A. Natural antimicrobial extract that conditions and protects skin from environmental damage.
- CETRIMONIUM CHLORIDE — Grade A. Quaternary ammonium preservative with broad-spectrum antimicrobial activity for skin protection.
Other EU Prohibited (Annex II) ingredients
- BUTYLPHENYL METHYLPROPIONAL — Grade F**
- PETROLATUM — Grade F
- ZINC PYRITHIONE — Grade F**
- CYCLOMETHICONE — Grade F**
- HYDROXYISOHEXYL 3-CYCLOHEXENE CARBOXALDEHYDE — Grade F
- CI 73360 — Grade F
Other Antimicrobial ingredients
- ALCOHOL — Grade A**
- C12-15 ALKYL BENZOATE — Grade A
- BENZYL BENZOATE — Grade C
- CHLORPHENESIN — Grade B
- HYDROGEN PEROXIDE — Grade C**
- CETYLPYRIDINIUM CHLORIDE — Grade A