PEG-3 Sorbitan Tristearate
AKA “Sorbitan Tristearate Ethoxylate, Polysorbate 65
Surfactant
Ingredient Facts
Peg-3 sorbitan tristearate
AKA: Sorbitan Tristearate Ethoxylate, Polysorbate 65
Surfactant · Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Sorbitan, poly(oxy-1,2-ethanediyl) derivs. trioctadecanoates, (3 mol EO average molar ratio)
CAS #
9005-65-6
See origin →
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
Traditional Use
A synthetic compound combining polyethylene glycol, sorbitan, and stearic acid, developed for cosmetic emulsification. Formulated to create stable emulsions with a non-greasy feel.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR