Neopentyl Glycol Diisostearate

AKA: Neopentyl glycol disostearate, 109884-54-0, Isooctadecanoic acid, 1'-(2, 2-dimethyl-1, 3-propanediyl) ester, 2, 3-propanediyl ester, NEOPENTYL GLYCOL DIISOSTEARATE [INCI]
Plant-Derived
Cleanser
Emulsifier
Skin Conditioner
Clean
OriginDerived from neopentyl glycol and isostearic acid, both petroleum-derived synthetic compounds. Synthesized through esterification reaction between neopentyl glycol and isostearic acid under controlled conditions.
Isooctadecanoic acid, 2,2-dimethyl-1,3-propanediyl ester
Formula
C41H80O4
Mol. Weight
637.10
CAS #
109884-54-0
Form
Oil
Skin Types
●all-skin-types
Best For
General
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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