Prevention shampoo * Lice Prevention Made Easy. Use Our Gentle, Non-Toxic, And Hypoallergenic Plant Based Shampoo to Cleanse Hair And Scalp And Help Repel Lice With Every Wash. * Our Lice Repel Shampoo Is Infused with Lavender Essential Oil And LiceZyme TM To Prevent And Shield Hair From Lice Infestation. * Safe For Daily Use And For Kids Of All Ages As An Everyday Shampoo. LiceLogic Repel Conditioning Shampoo in Lavender Scent is enzyme based and non-toxic, leaving hair and scalp clean and refreshed with every wash. Infused with natural lavender essential oil, which is known to deter lice and other insects, our non- toxic and plant- based lice prevention shampoo provides an outstanding defense against headlice, and will leave hair squeaky clean and free of product residue or build up from previous haircare product use.