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Hair Conditioning

METHIONYL RH-POLYPEPTIDE-83

Updated
82

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A recombinant human protein fragment with an added methionine, used at trace levels for hair conditioning. No documented hazards at cosmetic concentrations; public dossier is limited.

Function

HAIR CONDITIONING

Skin benefits

  • Hair conditioning at trace use levels
  • Recombinant production avoids animal sourcing
  • Stable in hair-care emulsions

Known concerns

  • Limited public efficacy data
  • No published CIR/SCCS dossier
  • Function-specific to hair-conditioning claims

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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CARBOXYMETHYL GLYCOLYL SERINATE
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DIMETHICONOL/AMINOPROPYL SILSESQUIOXANE COPOLYMER
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DIMETHYL GLUTAMIC ACID
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ETHYL ESTER OF HYDROLYZED KERATIN
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ETHYL ESTER OF HYDROLYZED SILK
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.