PEG-2 Stearate

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 Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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