ZN Plus Anti-Lice Shampoo 100mlZN Plus Anti Lice Shampoo 100ml Effective Permethrin 1% Lice Treatment ZN Plus Anti Lice Shampoo by Derma Tecno is a clinically formulated medicated shampoo containing Permethrin 1% a proven pediculicide that kills head lice (Pediculosis Capitis) and their eggs (nits) on contact. Suitable for adults and children, this shampoo provides rapid, thorough relief from head lice infestations with a single lather and rinse application. Key Benefits Kills head