Sucrose Acetate/Stearate

Sucrose Acetate/Stearate molecular structure
molecular structure · PubChem
AKA: Sucrose Acetate Stearate, SAS
Plant-Derived
Emollient
Skin Conditioner
Clean
Sucrose Acetate/Stearate is the mixed ester of Sucrose (q.v.) with acetic and stearic acids
Form
Liquid
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 modern synthetic ingredient created by esterifying sucrose with acetic and stearic acids. Functions as an emulsifier and texturizer in cosmetic formulations, developed to provide stability and improved feel in skincare and makeup products.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR