Magnesium laureth sulfate is the magnesium salt of laureth sulfate (2-dodecoxyethylsulfate), which is in turn the ester of laureth (2-dodecoxylethanol) and sulfuric acid. It is used mainly in the chemical industry for the preparation of specialized shampoos for people of delicate skin. It works even in hard water. Other uses include baby products (lotions, oils, powders, and creams), eye makeup remover, and skin cleansers.
Magnesium laureth sulfate is considered to be a safe cosmetic ingredient provided that it is formulated to be non-irritating using present practices of use and concentration.