Bis-PEG-8 PEG-8 Dimethicone
AKA “Silicone Modifier, Modified Dimethicone
Hair Conditioning
Ingredient Facts
Bis-peg-8 peg-8 dimethicone
AKA: Silicone Modifier, Modified Dimethicone
Hair Conditioning · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Silicone
Not 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
CAS #
-
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.
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
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR