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Hair Conditioning

CAPRYLOYL KERATIN AMINO ACIDS

CAS 161133-65-9 Updated
81

Safety score · 0–100

Good

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

About

A keratin-derived amino acid mixture acylated with caprylic acid (C8) for mild surfactant and conditioning action. Animal sourced (wool/feather) but well tolerated and widely used in hair care.

Function

ANTISTATICCLEANSINGHAIR CONDITIONINGSURFACTANT - CLEANSING

Skin benefits

  • Conditions hair and skin
  • Mild surfactant action
  • Substantive C8-acylated keratin profile

Known concerns

  • Animal-derived (typically wool/feather) — variable purity
  • Rare protein-hydrolysate sensitisation

References

EU

EU CosIng database

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

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AMODIMETHICONE
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AMODIMETHICONE HYDROXYSTEARATE
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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.