WHAT IS IT: Sodium Cocyl Isethionate is a mild ingredient used in shampoos
WHAT’S IT FOR: It washes away the dirt better by making water cling to dirt better. It’s a replacement for ingredients [1] like sodium tallowate and other ingredients derived from animals. It has a score of 1 on the EWG.org Skin Deep scale.
FOUND IN: Shampoos, facial cleansers, bar soaps, body wash, exfoliants and scrubs
Sources:
http://www.ewg.org/skindeep/ingredient/706048/SODIUM_COCOYL_ISETHIONATE/ [2]