PEG-7M
molecular structure · PubChem
AKA: Polyethylene Glycol 7M, PEG 7M, Macrogol 7M
Synthetic
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy- (7000 mol EO average molar ratio)
CAS #
25322-68-3
Form
Powder
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
Ultra-high molecular weight polyethylene glycol developed in the 20th century for pharmaceutical and cosmetic use. Used as a humectant and thickener to improve texture and moisture retention in skincare products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR