Rid Lice Killing Shampoo effectively kills lice and nits without leaving a chemical residue. This safe treatment is proven to kill lice fast and can be used to eliminate head, pubic and body lice. Rid Family Size Lice Killing Shampoo includes two patented egg removal combs. Rid is extremely easy to use and comes with detailed washing and combing instructions. Rid contains 4% piperonyl butoxide and 0.33% pyrethins. Purchase Rid, America’s #1 brand of lice killing shampoo, here at ShopInPrivate.com, the Internet’s most private company.