PEG-4 Sorbitan Stearate
AKA “90SOR12GHG, RefChem:1094419, Glycosperse S-20, Polysorbate 60 CRS, PEG-3 Sorbitan stearate, UNII-CAL22UVI4M, UNII-90SOR12GHG, UNII-HD40WR33LC, HD40WR33LC
Surfactant
Ingredient Facts
Peg-4 sorbitan stearate
AKA: 90SOR12GHG, RefChem:1094419, Glycosperse S-20, Polysorbate 60 CRS, PEG-3 Sorbitan stearate, UNII-CAL22UVI4M, UNII-90SOR12GHG, UNII-HD40WR33LC, HD40WR33LC
Surfactant · Emulsifying · EWG: 2
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Clean
Sorbitan, monooctadecanoate, poly(oxy-1,2-ethanediyl) derivs. (4 mol EO average molar ratio)
Effective at 1.0%
Formula
C32H62O10
Mol. Weight
606.80
CAS #
9005-67-8
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Locks In Moisture
Wound Healing
Antioxidant Protection
Mixes Oil & Water
Traditional Use
Synthetic compound combining polyethylene glycol with sorbitan (a sorbitol derivative) and stearic acid, developed mid-20th century. Created as a mild, non-ionic emulsifier for cosmetics.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.00025%
2.0%
0%3%
Effective Range
CIR reported use: 0.25-2 | 0.5-2 | 0.00025-1.5
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR