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Emulsifier

BIS-ISOBUTYL PEG/PPG-10/7/DIMETHICONE COPOLYMER

CAS 158451-77-5 (generic)
73

Safety score · 0–100

Fine

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

A silicone-PEG/PPG hybrid emulsifier with isobutyl end-caps. Very smooth feel and reliable in long-wear formulas; standard PEG-residue and silicone-biodegradability watch-outs apply.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Silicone-PEG/PPG hybrid emulsifier
  • Provides smooth, long-wear feel
  • Helps stabilize foundations and primers

Known concerns

  • PEG-class 1,4-dioxane purity caveat
  • Silicone biodegradability concern
  • Limited dedicated dossier

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.