No Image Available
Sorbeth-3 Isostearate
AKA “Sorbitan Polysorbate Ester”
Surfactant
Ingredient Facts
Sorbeth-3 isostearate
AKA: Sorbitan Polysorbate Ester
Surfactant · Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Not Clean
1,4-Anhydro-D-glucitol, poly(oxy-1,2-ethanediyl) derivatives, monoesters with isooctadecanoic acid (3 mol EO average molar ratio)
Effective at 0.7%
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
Developed as a light-duty emulsifier in modern cosmetic chemistry. Used in serums and light creams to blend oils without heaviness.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.5%
0.9%
0%1%
Effective Range
CIR reported use: 0.5-0.9
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR