PEG-220
AKA “Polyethylene Glycol 220, PEG 220”
Synthetic
Ingredient Facts
PEG-220
AKA: Polyethylene Glycol 220, PEG 220
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Synthetic
Not Clean
A lightweight humectant that draws moisture into skin and helps bind ingredients together, keeping formulas smooth and products from separating.
CAS #
25322-68-3
Form
Liquid
See origin →
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
Traditional Use
A polyethylene glycol polymer developed in the mid-20th century as a humectant and solvent in cosmetics. Created to provide hygroscopic properties for moisture retention in skincare formulations.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR