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Skin Conditioning

BIS-4-PCA DIMETHICONE

CAS 179005-03-9
80

Safety score · 0–100

Good

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

A PCA-modified silicone — combines a silky dimethicone backbone with humectant PCA groups. Inert and well tolerated like most cosmetic silicones.

Function

HAIR CONDITIONING

Skin benefits

  • Silky moisturizing silicone
  • PCA group adds humectant action
  • Lightweight skin feel
  • Substantive to skin

Known concerns

  • Silicone — non-biodegradable
  • Limited published toxicology

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