sodium lauryl sulfate

sodium lauryl sulfate

noun

Definition of SODIUM LAURYL SULFATE

: the crystalline sodium salt C₁₂H₂₅NaO₄S of sulfated lauryl alcohol; also : a mixture of sulfates of sodium consisting principally of this salt and used as a detergent, wetting, and emulsifying agent (as in toothpastes, ointments, and shampoos)