Sodium Isostearoyl Lactylate

AKA “Sodium isostearoyl-2-lactylate, 66988-04-3, EINECS 266-533-8, PATIONIC ISL, 8730J0D3EV, PRIAZUL 2133, Isooctadecanoic acid, 2-(1-carboxyethoxy)-1-methyl-2-oxoethyl ester, sodium salt, Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl isooctadecanoate, ISOSTEAROYL-2-LACTYLATE SODIUM”

Surfactant

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Ingredient Facts

Sodium isostearoyl lactylate

AKA: Sodium isostearoyl-2-lactylate, 66988-04-3, EINECS 266-533-8, PATIONIC ISL, 8730J0D3EV, PRIAZUL 2133, Isooctadecanoic acid, 2-(1-carboxyethoxy)-1-methyl-2-oxoethyl ester, Sodium salt, Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl isooctadecanoate, ISOSTEAROYL-2-LACTYLATE SODIUM

Surfactant · Cleansing · EWG: 1

Plant-Derived

Cleanser

Emulsifier

Chemical Exfoliant

Plant Oil

Clean

Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl isooctadecanoate

Formula

C24H43NaO6

Mol. Weight

450.60

CAS #

66988-04-3

See origin →

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.

Cleansing Surfactant

Emulsifier

Removes Impurities

Mixes Oil & Water

Traditional Use

A modern synthetic emulsifier and conditioning agent developed in the late 20th century for cosmetics. Combines stearic acid derivatives with lactic acid to create stable, skin-conditioning products.