Isostearyl Neopentanoate

AKA: Isooctadecyl pivalate, Cyclochem INEO, 58958-60-4, Isostearyl pivalate, Ceraphyl 375, Schercemol 85, 2, 2-Dimethylpropanoic acid, Isooctadecyl ester, 2-Dimethylpropanoic acid isooctadecyl ester
Plant-Derived
Emollient
Skin Conditioner
Clean
Propanoic acid, 2,2-dimethyl-, isooctadecyl ester
Formula
C23H46O2
Mol. Weight
354.60
CAS #
58958-60-4
Form
Powder
Functions
Binding
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 developed as a cosmetic emollient with excellent spreadability and light feel. Created to improve the sensory profile of skincare and color cosmetic formulations.
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