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Skin Conditioning

CASEIN

CAS 9000-71-9
78

Safety score · 0–100

Fine

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

A milk-derived protein used to condition skin and hair and form a soft film. Long history of safe topical use, but people with dairy allergies should be cautious — the protein retains its allergenic potential.

Function

ANTISTATICHAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Film-forming and skin conditioning
  • Adds slip and softness to formulas
  • Antistatic in haircare

Known concerns

  • Potential allergen for milk-protein-sensitive users
  • Animal-derived (not vegan)
  • Microbial growth requires preservation

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, so always read the physical product label and consult a healthcare professional for personal concerns.