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Hair Conditioning

POLYSILICONE-28

Updated
70

Safety score · 0–100

Fine

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

About

A silicone polymer modified with a cysteine-derived group, used in hair care for fixing and conditioning. The thiol chemistry adds substantivity to hair without raising significant safety concerns.

Function

HAIR FIXING

Skin benefits

  • Strong hair substantivity
  • Improves hair gloss and feel
  • Reduces frizz
  • Wash-resistant conditioning

Known concerns

  • Mild sulphur odour possible
  • Limited specific safety data
  • Silicone persistence

References

EU

EU CosIng database

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

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ACRYLAMIDOPROPYLTRIMONIUM CHLORIDE/ACRYLATES COPOLYMER
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AMINOETHYL DISULFIDE KERATIN
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AMINOPROPYL CALCIUM POLYSILSESQUIOXANE CHLORIDE
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AMINOPROPYL MAGNESIUM POLYSILSESQUIOXANE CHLORIDE
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AMINOPROPYL ZINC POLYSILSESQUIOXANE CHLORIDE
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 70
ARACHIDYL/BEHENYL BETAINATE ESYLATE
Hair Conditioning

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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.