Glyceryl Stearate Diacetate

AKA: 84931-78-2, Octadecanoic acid, Monoester with 1, 2, 3-propanetriol acetate, 284-599-6, 3-dihydroxypropyl acetate;octadecanoic acid, Octadecanoic acid--2, 3-dihydroxypropyl acetate (1/1)
Plant-Derived
Emollient
Cleanser
Emulsifier
Skin Conditioner
Not Clean
OriginDerived from plant-based stearic acid and glycerin, typically sourced from vegetable oils like palm or coconut. Produced through esterification of glycerin with stearic acid, followed by acetylation to add acetyl groups.
Octadecanoic acid, ester with 1,2,3-propanetriol diacetate
Formula
C23H46O6
Mol. Weight
418.60
CAS #
84931-78-2
Form
Wax
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Locks In Moisture
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2022
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR