PEG-20 Methyl Glucose Sesquistearate
molecular structure · PubChem
AKA: Polyethylene glycol 20 methyl glucose sesquistearate, PEG 20 methyl glucose sesquistearate
Plant-Derived
Cleanser
Emulsifier
Clean
OriginDerived from coconut, palm kernel, or soybean oils as the primary plant-based starting materials. Produced through polyethylene glycol (PEG) conjugation and esterification with glucose and stearic acid.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1), octadecanoate (2:3) (20 mol EO average molar ratio)
CAS #
68389-70-8
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Emulsifying
Moisturizing
Strengthens Barrier
Mixes oil and water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 617)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 mixed / reactions mild (CIR 617)
Eye Irritant in Testing
2 studies / 2 irritating / reactions minimal (CIR 617)
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
murphy