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Conditioning Agent

TRIMETHOXYSILYLETHYL BUTYL DIMETHICONE

CAS 381245-95-0 Updated
80

Safety score · 0–100

Good

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

About

A dimethicone with a trimethoxysilyl tether — the silyl group lets the polymer anchor itself to hair or skin proteins, giving longer-lasting conditioning. Hydrolyses release tiny amounts of methanol; otherwise a quiet, well-behaved silicone.

Function

VISCOSITY CONTROLLINGDISPERSING NON-SURFACTANTSURFACE MODIFIERSURFACTANT

Skin benefits

  • Smooth slip and conditioning on skin and hair
  • Trimethoxysilyl group anchors to keratin and surfaces
  • Provides long-wear film without heaviness

Known concerns

  • Methoxysilane groups release small amounts of methanol on hydrolysis
  • Polymer otherwise inert in finished product

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.