Sorbeth-3 Isostearate

Sorbeth-3 Isostearate molecular structure
molecular structure · PubChem
AKA: Sorbitan Polysorbate Ester
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginDerived from sorbitol (a sugar alcohol) and isostearic acid (a branched fatty acid), typically sourced synthetically. Produced through ethoxylation of sorbitol followed by esterification with isostearic acid.
1,4-Anhydro-D-glucitol, poly(oxy-1,2-ethanediyl) derivatives, monoesters with isooctadecanoic acid (3 mol EO average molar ratio)
Skin Types
●all-skin-types
Best For
Dryness
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.
Emulsifier
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR