PEG-150

AKA: Polyethylene Glycol 150, Macrogol 150
Synthetic
Humectant
Solvent
Not Clean
OriginProduced from ethylene oxide, a petrochemical derivative synthesized from ethylene gas. Created through polymerization of ethylene oxide monomers to form the high-molecular-weight polymer chain.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (150 mol EO average molar ratio)
CAS #
25322-68-3
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
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-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
5
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 88)
Sensitizer in Testing
1 study / 1 sensitizing / plus 2 case reports (CIR 88 and 548)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR