Picksan no lice preventive spray is the easy and effective way to stop head lice infestation this preventive spray contains natural active ingredients that keep lice away it can be used on hair clothing such as caps and jackets also to help stop the spread of lice to be used when lice have been detected in the environment or for peace of mind when going to school and nursery repeat daily scientifically proven to be effective for a minimum of 7 hours the whole school day a medical de