Bis-Cetyl/PEG-8 Cetyl PEG-8 Dimethicone
AKA “Cetyl Dimethicone, Silicone Emollient”
Ingredient
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Ingredient Facts
Bis-cetyl/peg-8 cetyl peg-8 dimethicone
AKA: Cetyl Dimethicone, Silicone Emollient
Ingredient · Emulsion Stabilising · EWG: 4
Synthetic
Emulsifier
Silicone
Not Clean
Bis-Cetyl/PEG-8 Cetyl PEG-8 Dimethicone is a cosmetic ingredient used as emulsion stabilising. Assessed as safe by the CIR.
CAS #
-
Form
Liquid
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Stabilizes Emulsion
Keeps product blended
Traditional Use
A synthetic silicone-based emulsifier developed in the mid-to-late 20th century. Created to improve the blending of oil and water phases while providing silky texture in cosmetics.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Bis-Cetyl/PEG-8 Cetyl PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
Cetyl Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-8 Cetyl Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
Cetyl Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-8 Cetyl Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Preliminary 1 month stability screening of cosmetic multiple emulsions (W/O/W) prepared using cetyl dimethicone copolyol and Polysorbate 80.
Khan H, Akhtar N, Mahmood T, Jameel A, Mohsin S
International journal of cosmetic science, 2015
Verified Jun 2026
Data: CosIng · EWG · CIR