PEG-6 Dimethicone
AKA: Polyethylene Glycol 6 Dimethicone, PEG-6 Silicone
Synthetic
Humectant
Silicone
Not Clean
PEG-6 Dimethicone is the polyethylene glycol derivative of Dimethicone containing an average of 6 moles of ethylene oxide; Poly(oxydimethylsilylene), alpha-hydro-omega-hydroxy-, ethoxylated (6 mol EO average molar ratio)
CAS #
-
Form
Liquid
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Plasticiser
Locks In Moisture
Traditional Use
A hybrid synthetic ingredient combining PEG with silicone (dimethicone), developed in the late 20th century. Silicones were first used in cosmetics in the 1950s; this PEG modification improved water solubility for modern formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR