INCI · surfactant · CIR review pending · used in 10 products
Sodium Cocoyl Isethionate
Sodium Cocoyl Isethionate (CAS 61789-32-0 / 58969-27-0) is a surfactant and cleansing agent derived from vegetable (coconut) fatty acids, chemically described as fatty acids, coco, 2-sulfoethyl esters, sodium salts. It is readily biodegradable and is especially prominent as a key ingredient in syndet bars (soapless soap bars). Its official CosIng functions include cleansing, hair conditioning, and surfactant.
Evidence level
weakEWG score
—Comedogenic
—Category
surfactant● Benefits
Claimed to be exceptionally gentle on the skin with minimal impact on the skin barrier, it produces a rich, creamy foam. According to Dr. Leslie Baumann's Cosmetic Dermatology (2nd ed.), it "has defined a new dimension in the mildness of cleansing bars."
cleansinghydratingbarrier-support
● Cautions
