Sorbeth-450 Tristearate

AKA: Sorbitan Polysorbate Ester

Plant-Derived

Cleanser

Emulsifier

Not Clean

OriginDerived from coconut, palm kernel, or soybean oils as starting materials. Produced through ethoxylation and esterification with stearic acid.

Sorbeth-450 Tristearate is the triester of Stearic Acid and a polyethylene glycol ether of Sorbitol with an average of 450 moles of ethylene oxide.

CAS #

-

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

Functions

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Foam Boosting

Viscosity Controlling

Cleansing Surfactant

Emulsifier

Boosts Lather

Controls Viscosity

Enhances lather

Lifts away dirt and oil

Mixes oil and water

Controls product thickness

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory1 listing →

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

EWG

CIR

Safe as used

Pregnancy

Yes

Restricted By

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

Regulatory Agencies

Verified Jun 2026

Data: CosIng · EWG · CIR