Kills head lice amp eggs100 effective in 10 minutesas easy as washing hairno insecticidespleasant fragrance200 ml up to 8 applications depending on the length of the hairlyclear shampoo39s double action formula not only suffocates but also dehydrates head lice and eggs in addition it39s convenient to use as it washes the hair at the same time100 effective in 10 minlyclear shampoo has been clinically tested to kill 1