Dimethicone Copolyol

AKA: Silicone Copolyol
Synthetic
Emollient
Skin Conditioner
Silicone
Not Clean
OriginDerived from siloxane polymers, a synthetic compound created through silicon chemistry processes. Produced by copolymerization of dimethicone with polyether segments to create hybrid silicone-polyol molecules.
Dimethicone Copolyol is a cosmetic ingredient. Assessed as safe by the CIR.
CAS #
63148-62-9
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Prevents Foam Buildup
Conditions Skin
Softens & Smooths
Skin Protecting
Antioxidant Protection
Locks In Moisture
Reduces Inflammation
Smooths and softens skin
Shields skin from damage
Reduces foam
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 228)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 228)
Mixed Skin Irritation Results
4 studies / 1 mixed / 3 not irritating / reactions minimal (CIR 228)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR