Bis-PEG-10 Dimethicone

Bis-PEG-10 Dimethicone 1
Bis-PEG-10 Dimethicone 2
Bis-PEG-10 Dimethicone 3
Bis-PEG-10 Dimethicone 4
AKA: Silicone Modifier, Modified Dimethicone
Synthetic
Skin Conditioner
Hair Care
Silicone
Not Clean
Bis-PEG-10 Dimethicone is Dimethicone end-blocked with an average of 10 moles of ethylene oxide.
CAS #
68937-54-6
Form
Liquid
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR