Tic-Tac 1% Anti-Lice Shampoo is a one-step treatment formulated with permethrin to effectively eliminate head lice and nits. This 100ml medicated shampoo provides a safe and extra mild solution while maintaining its efficacy against parasites. The shampoo contains 1% permethrin as its active ingredient, which is a synthetic pyrethroid known for its effectiveness against lice and their eggs. It is designed as a one-step treatment, making it convenient to use. The formula is labeled as 'Extra Mild' and 'Safe', indicating its suitability for treating lice infestations while being gentle on the scalp. The product is manufactured by United Pharmaceuticals.