Dimethiconol

AKA: DIMETHYLSILANEDIOL, 1066-42-8, Silanediol, CHEBI:23816

Synthetic

Emollient

Skin Conditioner

Clean

Poly[oxy(dimethylsilylane)], .alpha.-hydro-.omega.-hydroxy-

Formula

C2H8O2Si

Mol. Weight

92.17

CAS #

31692-79-2, 70131-67-8

Form

Liquid

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

Functions

Antifoaming

Moisturising

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-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed3 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Skin Irritant

1 study / 1 not irritating (CIR 571)

Not a Sensitizer

1 study / 1 not sensitizing (CIR 571)

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR