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Hair Conditioning

POLYSILICONE-38

CAS 2991823-77-7
80

Safety score · 0–100

Good

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

A PEG-modified siloxane polymer used to give hair styling products a flexible, conditioning hold. Large polymer molecule means very low skin or systemic exposure; the main debate is environmental.

Function

SURFACTANT - EMULSIFYINGHAIR CONDITIONINGHAIR FIXINGHAIR WAVING OR STRAIGHTENINGSURFACTANT

Skin benefits

  • Hair fixing and conditioning film
  • Smooth, non-tacky finish
  • Water-resistant film former

Known concerns

  • Synthetic siloxane — environmental persistence concerns
  • Heavy buildup possible without occasional clarifying

References

EU

EU CosIng database

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

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ACRYLIC ACID/METHACRYLAMIDOPROPYLTRIMONIUM CHLORIDE COPOLYMER
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AMINOPROPYL PHENYL TRIMETHICONE
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AMODIMETHICONE
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AMODIMETHICONE HYDROXYSTEARATE
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BIS-HYDROXY/METHOXY/METHYL AMODIMETHICONE CROSSPOLYMER
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BIS-PEG-8 PEG-8 DIMETHICONE
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BIS-PHENYLPROPYL DIMETHICONE
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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.