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Dimethiconol
AKA “DIMETHYLSILANEDIOL, 1066-42-8, Silanediol, dimethyl-, DNZ4KJE28U, 1, 1-dimethyl-, DTXSID2061434, CHEBI:23816, RefChem:134378, DTXCID8033011, 213-915-7”
Emollient
Ingredient Facts
Dimethiconol
AKA: DIMETHYLSILANEDIOL, 1066-42-8, Silanediol, Dimethyl-, DNZ4KJE28U, 1, 1-dimethyl-, DTXSID2061434, CHEBI:23816, RefChem:134378, DTXCID8033011, 213-915-7
Emollient · Emollient · EWG: 1
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
See origin →
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
Traditional Use
A silicone-based compound developed in the 20th century as a modern cosmetic ingredient. Created to provide improved conditioning, smoothness, and water-repellent properties in skincare and haircare formulations.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
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
RIFM fragrance ingredient safety assessment, 3,7-dimethyl-3,6-octadienal, CAS registry number 55722-59-3.
Api AM, Belsito D, Biserta S, Botelho D, Bruze M et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2020
→
Safety Assessment of Dimethiconol and its Esters and Reaction Products as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Acrylates/Dimethiconol Acrylate Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Arginine
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Beeswax
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Behenate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Borageate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Candelillate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Carnaubate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Cysteine
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Dhupa Butterate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Hydroxystearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Illipe Butterate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Isostearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Kokum Butterate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Lactate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Meadowfoamate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Methionine
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Mohwa Butterate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Panthenol
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Sal Butterate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol/Methylsilanol/Silicate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol/Silica Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol/Silsesquioxane Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol/Stearyl Methicone/Phenyl Trimethicone Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrolyzed Collagen PG-Propyl Dimethiconol
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Isopolyglyceryl-3 Dimethiconol
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Trimethylsiloxysilicate/Dimethiconol Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethiconol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethiconol Behenate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethiconol Cysteine
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethiconol Meadowfoamate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethiconol Panthenol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethiconol Stearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethiconol/Silsesquioxane Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Trimethylsiloxysilicate/Dimethiconol Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
4,6-Dimethyl-8-tert-butylcoumarin
Health Canada
Health Canada Cosmetic Ingredient Hotlist
→
6,10-Dimethyl-3,5,9-undecatrien-2-one
Health Canada
Health Canada Cosmetic Ingredient Hotlist
→
7,11-Dimethyl-4,6,10-dodecatrien-3-one
Health Canada
Health Canada Cosmetic Ingredient Hotlist
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Safety Assessment of Dimethiconol and Its Esters and Reaction Products as Used in Cosmetics.
Johnson W Jr, Heldreth B, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2017
→
Fragrance material review on 2,2-dimethyl-3-phenylpropanol.
Scognamiglio J, Jones L, Letizia CS, Api AM
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2012
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Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR