PEG-9M
AKA “Polyethylene glycol 9M, PEG 9M”
Synthetic
Ingredient Facts
PEG-9M
AKA: Polyethylene glycol 9M, PEG 9M
Synthetic · Emulsion Stabilising · EWG: 4
Synthetic
Emulsifier
Synthetic
Clean
Helps blend ingredients smoothly and keeps the formula stable and the right texture so your product applies evenly every time.
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
Polyethylene glycol of high molecular weight developed in the mid-20th century as a synthetic polymer. Used in modern cosmetics as a thickening agent, humectant, and texture modifier with no traditional historical use.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR