PEG-33

PEG-33

AKA “Polyethylene glycol 33, Polyethylene glycol 1500”

Synthetic

Ingredient Facts

PEG-33

AKA: Polyethylene glycol 33, Polyethylene glycol 1500

Synthetic · Humectant · EWG: 4

Synthetic

Humectant

Solvent

Skin Conditioner

Synthetic

Clean

Helps lock in moisture and keeps formulas smooth and easy to apply. Works gently to improve product texture and skin hydration.

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

Polyethylene glycol polymers were synthesized in the 1950s and adopted by the cosmetics industry in the mid-20th century as humectants and texture-modifying agents to improve stability, water-binding, and product consistency in skincare formulations.