PEG-115M
AKA “Polyethylene Glycol 115M
Synthetic
Ingredient Facts
PEG-115M
AKA: Polyethylene Glycol 115M
Synthetic · Emulsion Stabilising · EWG: 4
Synthetic
Emulsifier
Synthetic
Not Clean
A gentle thickener that helps blend ingredients together and keeps the formula smooth and stable on your skin.
CAS #
25322-68-3
Form
Powder
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 polymer developed in the 20th century for use as a thickening and binding agent in cosmetics. The large molecular weight allows for superior film-forming and texture-enhancing properties.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR