RID One & DoneTM is an over-the-counter prescription strength lice treatment that effectively treats lice, super lice, and nits in just one application with no nit combing necessary. The active ingredient ivermectin 0.5% in the lotion, kills head lice in just 10 minutes. No second application is required. The clinically proven lotion is safe for use on children 6 month of age or older. The American Academy of Pediatrics recommends the active ingredient in RID One & Done for treating super lice, a prevalent species of lice that have developed a resistance to traditional permethrin/pyrethroid based lice treatments. No need to worry about multiple treatments or tedious nit combing, especially for long hair. Just one treatment and you are done. Use as directed. NDC#: 82392-200-04