Glycereth-18 is a polyethylene glycol ether of glycerin containing an average of 18 moles of ethylene oxide
CAS #
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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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
Traditional Use
A synthetic polyethylene glycol derivative of glycerin developed in the 20th century. Used as an emulsifier and humectant in cosmetics without traditional precedent.