NeutraLice Advance Lotion kills head lice and their eggs. Clinically proven, fast and easy to use, works in 10 minutes. Suitable for sensitive skin and includes a metal lice comb NeutraLice Advance is one of a new generation of suffocant head lice treatments. NeutraLice Advance stuns the lice respiratory spiracles open and blocks them to physically prevent the louse breathing. The lice die from asphyxia and dehydration. They can then be easily removed as this breaks their grip on the hair shaft.