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Film Former

POLYSILICONE-6

CAS 146632-09-9 Updated
78

Safety score · 0–100

Fine

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

About

A mercaptopropyl (thiol)-modified dimethyl siloxane copolymer used as a hair film former. Reactive chemistry binds well to keratin; well-polymerised grade is required to avoid thiol residue.

Function

FILM FORMINGHAIR CONDITIONING

Skin benefits

  • Flexible film-forming
  • Hair-substantive conditioning
  • Adds smoothness and shine
  • Compatible with multiple hair care systems

Known concerns

  • Mercaptopropyl group — sulfur-containing, possible odour issues
  • Reactive chemistry can leave thiol residues if poorly polymerised
  • Synthetic polymer; environmental persistence

References

EU

EU CosIng database

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

Related film formers

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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.