murphyCalcium Starch Isododecenylsuccinate
AKA: Modified starch calcium isododecenyl succinate
Synthetic
Emollient
Skin Conditioner
Not Clean
OriginDerived from plant-based starch and isododecenyl succinic acid, a synthetic dicarboxylic compound. Produced through esterification of starch with isododecenyl succinic anhydride under controlled conditions.
Amylopectin, Hydrogen Dodecenylbutanedioat, Calcium Salt
CAS #
194810-88-3
Form
Powder
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.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 680)
Skin Irritant in Testing
2 studies / 2 irritating / reactions mild (CIR 680)
Eye Irritant in Testing
1 study / 1 irritating / reactions minimal (CIR 680)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR