Conditioning Agent
C12-17 ALKYL KETENE DIMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
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
Skin benefits
- hair conditioning
- water resistance
- surface modification
- skin conditioning
Known concerns
- limited cosmetic-specific safety data
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related conditioning agents
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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.