PEG-450
AKA “Polyethylene glycol 450, macrogol 450, carbowax 450”
Synthetic
Ingredient Facts
PEG-450
AKA: Polyethylene glycol 450, Macrogol 450, Carbowax 450
Synthetic · Emulsion Stabilising · EWG: 4
Synthetic
Emulsifier
Solvent
Synthetic
Not Clean
A lightweight humectant that helps bind moisture to skin and keeps the formula smooth and stable, ensuring even product texture from first use to last.
CAS #
25322-68-3
Form
Liquid
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.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Holds Formula Together
Stabilizes Emulsion
Dissolves Ingredients
Holds ingredients together
Keeps product blended
Dissolves other ingredients
Traditional Use
A high-molecular-weight synthetic polyethylene glycol developed in the 1950s. Used in cosmetics as a humectant, solvent, and texture modifier to create smooth, spreadable formulations.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR