Sucrose Stearate

Sucrose Stearate 1
molecular structure · PubChem CID 66895039
AKA: Sucrapan S, Saccharosemonostearate, Monostearate, Sucrose stearate [NF], Sugar Ester S 1670, Ryoto S 1670, Ryoto Sugar Ester S 1670, Ryoto Sugar Ester MO-C 18
Synthetic
Emulsifier
Skin Conditioner
Synthetic
Clean
OriginNative to Japan. Derived from sucrose (table sugar) and stearic acid, a fatty acid typically sourced from plant or animal oils. Produced through esterification, chemically bonding sucrose with stearic acid under controlled conditions.
See also: Sugar Mix 1015 (FDA NDC: 63083-1015) (component of).
Formula
C30H58O13
Mol. Weight
626.80
CAS #
25168-73-4, 37318-31-3
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Conditions Skin
Softens & Smooths
Cleansing Surfactant
Emulsifier
Smooths and softens skin
Lifts away dirt and oil
Mixes oil and water
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 721)
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-on0.0001–6%
Rinse-off0.04–3%
0%50%100%
CIR reported use · report published 2021
Regulatory Status
USAunder review
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR