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Surfactant

METHOXY PEG-10 POLYSILSESQUIOXANE

CAS 1838163-04-4
76

Safety score · 0–100

Fine

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

A silsesquioxane resin grafted with methoxy PEG-10 propyl groups, acting as a multi-functional cleanser, humectant, conditioner and solvent. Well tolerated as a large silicone-based surfactant.

Function

CLEANSINGHUMECTANTSKIN CONDITIONINGSOLVENTSURFACTANT - CLEANSING

Skin benefits

  • Acts as cleanser, humectant, conditioner and solvent
  • Improves spreadability and skin feel
  • Versatile in a wide range of cosmetic formats

Known concerns

  • PEG component requires controlled 1,4-dioxane levels
  • Silicone resin not readily biodegradable
  • Limited specific clinical data for this exact polymer

References

EU

EU CosIng database

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

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C12-15 ALKETH-4 (FORMERLY C12-15 PARETH-4)
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Same plant / compound family

72
METHOXY PEG-10
Humectant / solvent (PEG)
 68
METHOXY PEG-10 COCOATE
Emulsifier
 70
METHOXY PEG-10 PROPYLTRIMETHOXYSILANE
Thickener
 65
METHOXY PEG-100
Humectant
 48
METHOXY PEG-100 PROPYL MELITTIN AMIDE
Skin Conditioning
 70
METHOXY PEG-100/EPSILON CAPROLACTONE/SEBACATE COPOLYMER
PEG copolymer (film former)

Check your shelf

Find METHOXY PEG-10 POLYSILSESQUIOXANE in your products.

Scan any cosmetic product with LuxSense to see if it contains METHOXY PEG-10 POLYSILSESQUIOXANE and get a full ingredient breakdown with safety scores.

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.