PEG-90
AKA “Polyethylene glycol 90, Polyethylene glycol 2000, PEG 2000”
Synthetic
Ingredient Facts
PEG-90
AKA: Polyethylene glycol 90, Polyethylene glycol 2000, PEG 2000
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Skin Conditioner
Synthetic
Not Clean
A humectant that draws moisture into skin and helps dissolve other ingredients evenly throughout the formula for better texture and absorption.
CAS #
25322-68-3
Form
Liquid
See origin →
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.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Moisturising
Locks In Moisture
Traditional Use
A higher-molecular-weight polyethylene glycol developed in the 20th century as a humectant and thickening agent. Used in skincare formulations to improve hydration, viscosity, and ingredient compatibility.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Acrylates/Methoxy PEG-90 Methacrylate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Bis-C16-20 Isoalkoxy TMHDI/PEG-90 Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-90
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-90 Diisostearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-90 Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-90M
European Commission
EU Cosmetic Ingredient Database (CosIng)
Bis-C16-20 Isoalkoxy TMHDI/PEG-90 Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-90
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-90M
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: CosIng · EWG · CIR