Bis-PEG-10 Dimethicone
AKA “Silicone Modifier, Modified Dimethicone
Synthetic
Ingredient Facts
Bis-peg-10 dimethicone
AKA: Silicone Modifier, Modified Dimethicone
Synthetic · Plasticiser · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Silicone
Synthetic
Clean
Bis-PEG-10 Dimethicone is Dimethicone end-blocked with an average of 10 moles of ethylene oxide. Science: Functions: Hair Conditioning, Plasticiser, Skin Conditioning Safety Ratings: CIR: Safe as used
CAS #
68937-54-6
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.
Plasticiser
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Created as a cosmetic conditioning agent and skin protectant in the latter half of the 20th century, combining silicone and polyethylene glycol technologies for improved product performance.
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 Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR