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Ingredient Facts
PEG-80
AKA: Polyethylene Glycol 80, PEG 80
Humectant · Humectant · EWG: 2
Synthetic
Humectant
Solvent
Clean
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy- (80 mol EO average molar ratio)
CAS #
25322-68-3
Form
Liquid
See origin →
Functions
Binding
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.
Locks In Moisture
Traditional Use
Polyethylene glycol was first synthesized in 1859; PEG-80 (an 80-unit polymer) was developed in the mid-20th century as a humectant and solvent for cosmetic formulations.