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PEG-12 Dimethicone
AKA “Polyethylene Glycol 12 Dimethicone, Water-soluble Silicone”
Skin Conditioning
Ingredient Facts
Peg-12 dimethicone
AKA: Polyethylene Glycol 12 Dimethicone, Water-soluble Silicone
Skin Conditioning · Hair Conditioning · EWG: 2
Synthetic
Skin Conditioner
Hair Care
Silicone
Clean
Silicones and siloxanes, dimethyl, hydropoly(oxy-1,2-ethanediyl methyl, trimethylsilyl terminated (12 mol EO average molar ratio)
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A hybrid silicone-polymer ingredient developed in the late 20th century combining PEG technology with dimethicone. Created to provide lightweight, water-resistant conditioning while maintaining product spreadability.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
2
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
Bis-PEG-12 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-PEG-12 Dimethicone Beeswax
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-PEG-12 Dimethicone Candelillate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-12 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-12 Dimethicone Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-12 Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-12 Dimethicone/PPG-20 Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-4 PEG-12 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-PEG-12 Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Bis-PEG-12 Dimethicone Beeswax
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Bis-PEG-12 Dimethicone Candelillate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-12 Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-12 Dimethicone Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Jun 2026
Data: CosIng · EWG · CIR