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Hair Conditioning

POLYSILICONE-39

70

Safety score · 0–100

Fine

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

A hybrid silicone-acrylate polymer used in styling products that combines silicone slip with acrylate hold. The acrylate component carries low-level monomer sensitization concerns, which keeps it out of the green tier.

Function

FILM FORMINGHAIR CONDITIONINGHAIR FIXINGHAIR WAVING OR STRAIGHTENING

Skin benefits

  • Dual-cure (thermal + radical) silicone-acrylate for strong hold
  • Combines conditioning with fixative
  • Wash-off resistant

Known concerns

  • Acrylate monomer residues possible — sensitization concern
  • Not biodegradable
  • Build-up on hair with leave-on use

References

EU

EU CosIng database

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

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ARACHIDYL/BEHENYL BETAINATE ESYLATE
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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.