murphyPEG-3 Sorbitan Tristearate
molecular structure · PubChem
AKA: Sorbitan Tristearate Ethoxylate, Polysorbate 65
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginDerived from plant-based fatty acids, typically from coconut, palm, or soybean oils. Produced through esterification of sorbitan with stearic acid, followed by ethoxylation with polyethylene glycol.
Sorbitan, poly(oxy-1,2-ethanediyl) derivs. trioctadecanoates, (3 mol EO average molar ratio)
CAS #
9005-65-6
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.
Emulsifier
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️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
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