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Conditioning Agent

C12-17 ALKYL KETENE DIMER

78

Safety score · 0–100

Fine

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

A waxy surface modifier that provides water resistance and conditioning to hair and skin through a hydrophobic film.

C12-17 alkyl ketene dimer is a reactive wax-like compound formed by dimerization of C12-17 fatty acid-derived ketenes. Known in the paper industry as a sizing agent, it creates hydrophobic surfaces. In cosmetics, it provides water-resistant conditioning, hair fixing, and surface modification. The long-chain alkyl groups ensure good skin compatibility. No GHS hazards or restrictions.

Function

HAIR CONDITIONINGHAIR FIXINGSKIN CONDITIONINGSURFACE MODIFIER

Skin benefits

  • hair conditioning
  • water resistance
  • surface modification
  • skin conditioning

Known concerns

  • limited cosmetic-specific safety data

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.