Lyclear Sensitive Treatment is the first \'gentle on hair and skin\' head lice treatment to kill head lice and eggs in 1 application. Its double action formula with Oxyphthirine kills head lice and makes them inactive in all stages of their life. Firstly it targets the respiratory orifices of head lice and eggs to suffocate and consequently dehydrate them. Secondly, it penetrates into the heart of the eggs to stop their development. Alcohol-free, dermatologically tested and no pesticides.