PEG-220

PEG-220 molecular structure
molecular structure · PubChem
AKA: Polyethylene Glycol 220, PEG 220
Synthetic
Humectant
Solvent
Not Clean
OriginDerived from ethylene oxide, a petroleum-based synthetic compound belonging to the polyethylene glycol (PEG) polymer family. Synthesized through polymerization of ethylene oxide, creating a long-chain polymer with approximately 220 repeating units.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (220 mol EO average molar ratio)
CAS #
25322-68-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
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-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