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Hair Conditioning

ETHYL ESTER OF HYDROLYZED ANIMAL PROTEIN

CAS 68951-89-3 Updated
55

Safety score · 0–100

Moderate

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

About

Ethyl ester of hydrolyzed animal protein. Hair-conditioning legacy ingredient; animal origin and EU sourcing concerns mean most modern formulations use plant-protein equivalents.

Function

ANTISTATICSKIN CONDITIONING - EMOLLIENTHAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Hair- and skin-conditioning
  • Forms a smoothing film on hair
  • Source of amino acids

Known concerns

  • Animal-derived — traceability and TSE/BSE-era concerns
  • Largely replaced by plant-protein equivalents
  • Ethyl ester adds mild irritation potential
  • Limited public safety dossier

References

EU

EU CosIng database

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

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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.