PEG-180M
AKA “Polyethylene Glycol 180M, PEG 180M
Ingredient
Ingredient Facts
PEG-180M
AKA: Polyethylene Glycol 180M, PEG 180M
Ingredient · Emulsion Stabilising · EWG: 4
Synthetic
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy- (180,000 mol EO average molar ratio)
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 high molecular weight polyethylene glycol variant developed in the latter half of the 20th century. Designed as a thickening and emulsifying agent for cosmetic formulations.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR