Tic-Tac 1% Anti-lice Shampoo is a medicated treatment formulated with permethrin to effectively eliminate head lice and nits in a single application. This 100ml shampoo provides a safe and reliable solution for lice infestation with long-lasting protection. The active ingredient permethrin belongs to the pyrethroid family and works as an effective pediculicide. The one-step treatment is designed to be easy to use while thoroughly treating both adult lice and their eggs. For best results, the shampoo should be applied to clean, damp hair and left on for the recommended time before rinsing. A fine-toothed comb may be used after treatment to remove dead lice and eggs.