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Diisostearyl Glutarate
AKA “RefChem:587941”
Synthetic
Ingredient Facts
Diisostearyl glutarate
AKA: RefChem:587941
Synthetic · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Synthetic
Clean
A plant-derived emollient that softens and smooths skin, leaving it feeling supple and hydrated without heaviness.
Formula
C41H80O4
Mol. Weight
637.10
Form
Liquid
See origin →
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.
Locks In Moisture
Traditional Use
A synthetic ester derived from glutaric acid and isostearyl alcohol. Developed for use in cosmetics as a conditioning and emollient ingredient with excellent skin feel properties.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR