100 effective in 1 golyclear new double action spray has been clinically proven to kill 100 of head lice and eggs in one treatment incl thorough combing in case of re45infestation or abnormal infestation treatment needs to be repeatedthe lyclear double action formula not only suffocates but also dehydrates head lice and eggsfeaturesbull kills head lice amp eggsbull 100 effective in 1 gobull 15 minutes treatmentbulleasy to apply