murphySucrose Acetate/Stearate
molecular structure · PubChem
AKA: Sucrose Acetate Stearate, SAS
Plant-Derived
Emollient
Skin Conditioner
Clean
OriginDerived from sucrose (sugar cane or sugar beet) combined with acetic and stearic acids. Produced through esterification, chemically bonding acetic and stearic acids to sucrose molecules.
Sucrose Acetate/Stearate is the mixed ester of Sucrose (q.v.) with acetic and stearic acids
Form
Liquid
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.
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-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 721)
Concentration Guide
Leave-on0.3%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2021
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR