RH-POLYPEPTIDE-59 is graded F (Banned) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexII.
RH-POLYPEPTIDE-59
Safety grade: F
This is a laboratory-created protein fragment designed to mimic natural skin proteins and support the skin's structure. It works to help maintain skin firmness and protect against environmental damage.
This ingredient conditions and protects the skin by reinforcing its natural barrier and helping to maintain elasticity and resilience.
Graded using: COSING.
- EU COSING — Prohibited
Last verified: May 26, 2026
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 Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A