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Hair Conditioning

BIS-HYDROXY/METHOXY/METHYL AMODIMETHICONE CROSSPOLYMER

80

Safety score · 0–100

Good

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

About

A modified amodimethicone silicone — gives hair a smooth, silky feel with less buildup than simple amodimethicones.

Bis-hydroxy/methoxy/methyl amodimethicone crosspolymer is an amino-functional silicone with mixed hydroxyl, methoxy and methyl substitution, crosslinked into a larger polymer. The amine groups bind to negatively charged hair, delivering conditioning; the mixed substitution and crosslinking reduce buildup compared with simple amodimethicone. CIR reviews of amodimethicone-family ingredients are supportive of cosmetic safety. No EU Annex II/III listing. Methoxy groups hydrolyse slowly to release small amounts of methanol — well within cosmetic safety limits at use concentrations.

Function

HAIR CONDITIONING

Skin benefits

  • Silky hair feel
  • Reduced buildup vs classic amodimethicone
  • Long-wear conditioning

Known concerns

  • Silicone persistence
  • Slow methoxy hydrolysis (minor)
  • Possible gradual buildup

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 — always read the physical product label and consult a healthcare professional for personal concerns.