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Hair Conditioning

SOLUBLE KERATIN

CAS - Updated
76

Safety score · 0–100

Fine

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

About

Native keratin processed to be water-soluble without breaking it down into small fragments — gives a richer film than hydrolysed keratin. Generally well tolerated, with the usual sourcing and processing caveats.

Skin benefits

  • Larger intact-keratin fragments for film-forming
  • Conditions and smooths hair cuticle
  • Skin-conditioning film effect
  • Higher-MW protein than hydrolysates

Known concerns

  • Animal-derived — sourcing traceability essential
  • Possible processing residues (sulphites, hydroxide)
  • Allergen potential for protein-sensitised individuals
  • Not vegan

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.