PEG-90M
AKA “Polyethylene glycol 90M, PEG 90M”
Synthetic
Ingredient Facts
PEG-90M
AKA: Polyethylene glycol 90M, PEG 90M
Synthetic · Emulsion Stabilising · EWG: 4
Synthetic
Emulsifier
Synthetic
Not Clean
A natural-derived thickener that helps bind ingredients together and keep the formula smooth and stable on your skin.
CAS #
25322-68-3
See origin →
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Holds Formula Together
Stabilizes Emulsion
Controls Viscosity
Holds ingredients together
Keeps product blended
Controls product thickness
Traditional Use
A very high-molecular-weight polyethylene glycol developed in the 20th century as a thickening agent and humectant. Used in skincare formulations to provide viscosity, moisture-binding, and improved texture.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR