PEG-180

AKA: Polyethylene Glycol 180
Synthetic
Humectant
Solvent
Not Clean
OriginSynthesized from ethylene oxide and water through polymerization reactions to create a long-chain polyethylene glycol polymer. Produced by sequential addition of ethylene oxide monomers under controlled temperature and pressure with catalysts.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (180 mol EO average molar ratio)
CAS #
25322-68-3
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR