Hedrin Treat & Go Head Lice Mousse is a quick treatment for head lice that is completely fuss-free! This water based treatment is incredibly easy to use and rinses from the hair in no time, without leaving any greasy residue. While dry, it remains on the child\'s hair while they continue to play, go to school and even while they sleep. Treat & Go Mousse requires just 2 applications 7 days apart. The Hedrin range is proven in clinical trials to be incredibly effective at killing head lice, but is specially formulated to suit your preference and lifestyle. Each product contains a physical mode of action that lice cannot develop a resistance to. They do not require combing once applied, they are all skin friendly. They have no unpleasant odours or asthma triggers and can be used on babies from 6 months old.