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Skin Conditioning

METHICONE

CAS 9004-73-3 Updated
76

Safety score · 0–100

Fine

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

About

A simple methyl silicone fluid used as a skin-conditioning film former. Gives smoothness and water resistance. Generally inert and safe; environmental persistence is the main caveat.

Skin benefits

  • Silicone film-former
  • Smooth, water-resistant feel
  • Stable in many formulations

Known concerns

  • Silicone biodegradability concerns
  • Build-up on hair and skin
  • Possible mild residue irritation

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.