murphyPEG-32
molecular structure · PubChem
AKA: Polyethylene glycol 32, Macrogol 32
Synthetic
Humectant
Solvent
Clean
OriginProduced from ethylene oxide, a petrochemical derivative synthesized from ethylene gas. Created through sequential polymerization of ethylene oxide monomers to form the 32-unit polymer chain.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (32 mol EO average molar ratio)
CAS #
25322-68-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
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-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Sensitizer in Testing
1 study / 1 sensitizing / plus 1 case report (CIR 548)
Mixed Eye Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions mild (CIR 88 and 548)
Mixed Skin Irritation Results
3 studies / 1 irritating / 2 not irritating (CIR 88 and 548)
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR