Independently Tested and Shown To Repel Lice By 99% When Used With Our LiceLogic Repel Conditioning Shampoo and LiceLogic Repel Conditioner, Use Every Day Before School, Summer Camp, Sleep Over Parties, and Day Care, Not Toxic, No Pesticides, Safe For Daily Use, Made In U.S.A., And Vegan, Detangles, Conditions, Imparts Shine, Refreshingly Scented, Harmful to lice and lice eggs, but not to humans