Sorbeth-30 Tetraisostearate
AKA “Sorbitan Polysorbate Ester
Synthetic
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Ingredient Facts
Sorbeth-30 tetraisostearate
AKA: Sorbitan Polysorbate Ester
Synthetic · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Synthetic
Clean
Polyethylene Glycol (30) Sorbitol Tetraisostearate Science: Origin: Botanic/Natural | Functions: Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
Synthetic
Botanical. Derived from sorbitol (a sugar alcohol) and isostearic acid, typically from botanical oils or synthetic sources. Produced through esterification of sorbitol with isostearic acid, followed by ethoxylation with polyethylene glycol.
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A modern synthetic emulsifier synthesized for cosmetics. Designed to stabilize highly concentrated oil-based formulations with water.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Concentration Guide
Industry Max
Industry typically uses up to 0.9% in leave-on products (7 products reported). Source: CIR Safety Assessment (CIR Seq 696).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR