Glyceryl Diisostearate

AKA: Glyceryl Di-isostearate, 68958-48-5, Glycerin isostearic acid di-ester, Isooctadecanoic acid, Diester with 1, 2, 3-propanetriol, DERMOFEEL GDI, DUB ISOG, SUN-OIL GDI-D
Plant-Derived
Emollient
Cleanser
Emulsifier
Skin Conditioner
Clean
Di(isooctadecanoic) acid, diester with glycerol
Formula
C39H76O5
Mol. Weight
625.00
CAS #
68958-48-5
Form
Liquid
Functions
Opacifying
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.
Locks In Moisture
Traditional Use
A synthetic diester combining glycerin with isostearic acid. Developed as a modern emollient and texture enhancer for cosmetics without traditional use.
EWG
1
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-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed3 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR