PEG-2 Stearate
molecular structure · PubChem
AKA: 106-11-6, Diethylene glycol monostearate, Cerasynt, Octadecanoic acid, 2-(2-hydroxyethoxy)ethyl ester, Aqua Cera, Glyco stearin, Cerasynt special, Diglycol monostearate, Clindrol SDG
Plant-Derived
Cleanser
Emulsifier
Clean
2-(2-Hydroxyethoxy)ethyl octadecanoate
Formula
C22H44O4
Mol. Weight
372.60
CAS #
106-11-6
Form
Liquid
Functions
Opacifying
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Adds Opacity
Emulsifier
Mixes oil and water
Creates creamy opacity
Traditional Use
Synthetic emulsifier developed in the mid-20th century from polyethylene glycol and stearic acid (a saturated fat derivative). Designed to create stable, smooth-textured cosmetic products.
EWG
2
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
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR