Bis-Hydroxyethoxypropyl Dimethicone

Bis-Hydroxyethoxypropyl Dimethicone molecular structure
molecular structure · PubChem
AKA: Silicone Modifier, Modified Dimethicone
Synthetic
Emollient
Skin Conditioner
Silicone
Clean
OriginDerived from siloxane polymers, a synthetic chemical family based on silicon and oxygen backbone structures. Synthesized through hydrosilylation reactions that attach hydroxyethoxypropyl side chains to dimethylsiloxane polymer backbones.
Silicones and siloxanes, dimethyl, 3-(2-hydroxyethoxy)propyldimethylsilyl terminated
CAS #
-
Form
Liquid
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.7–12%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR