Sodium cocoyl isethionate
White solid or flakes.
Sodium isethionate is an amphoteric detergent used in detergent bar soaps. It makes a dense lather in addition to the lather made by the soap. It is mild on the skin, and non-drying.
Sodium isethionate works equally well in soft or hard water.
It is also an anti-static agent in shampoos.
Sodium cocoyl isethionate is a related amphoteric detergent used in mild bath soaps, toothpastes, and baby soaps.