Hi Geen Tac Tik Anti Lice Shampoo is a specialized treatment formulated to eliminate head lice and nits. This 150ml shampoo provides an effective solution for treating lice infestations while being gentle enough for regular use as directed. As a medicated anti-lice shampoo, this product should be used according to package instructions. The 150ml size provides sufficient product for a complete treatment course. While specific ingredients are not listed, this type of product typically works by eliminating both adult lice and their eggs (nits) from the scalp and hair.