A composition and method for treating lice and removing nits from human hair, the composition including an alcohol； an inorganic salt in an amount less than 10 wt %； one or more essential oils and/or plant essences； and purified water. The composition may optionally include a surfactant to reduce separation of the ingredients of the composition and increase the appearance of homogeneity within the composition. The method may include applying the composition to human hair and the scalp and combing the hair to remove the lice and nits.
