Occhio Pidocchio Preventive Lotion is a spray-on preventive treatment against head lice. This no-gas formula contains natural ingredients including grapefruit seeds, lavender flowers, and Amargo bark to create an inhospitable environment for lice while being gentle on the scalp and hair. The product comes in a spray bottle format for easy application. It is made by Helan laboratories in Genova, Italy and features a gentle, non-toxic formula that is safe for use on children's hair and scalp. The preventive lotion helps protect against lice infestation through regular use, without harsh chemicals.