Hedrin Treat & Go Spray 60ml 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. It is skin friendly, pesticide free and contains no known asthma triggers. 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.