Bis-PEG-8 PEG-8 Dimethicone
AKA “Silicone Modifier, Modified Dimethicone”
Synthetic
Ingredient Facts
Bis-peg-8 peg-8 dimethicone
AKA: Silicone Modifier, Modified Dimethicone
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Hair Care
Silicone
Synthetic
Clean
Bis-PEG-8 PEG-8 Dimethicone is a derivative of Dimethicone containing alkoxylated side chain with an average of 8 moles of ethylene oxide, and end-blocked with an average of 8 moles of ethylene oxide Science: Functions: Hair Conditioning Safety Ratings: CIR: Safe as used
CAS #
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Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Conditions Hair
Softens and detangles hair
Traditional Use
A silicone-polyethylene glycol hybrid developed for contemporary cosmetics to enhance hydration, conditioning, and water resistance in skincare and makeup formulations.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR