Picksan Stop Lice Anti-Lice contains natural active ingredients, including the patented Mel Aza extract. The Mel Aza extract consists of a special neem seed extract that is extracted from the neem tree. Neem seed has been used in India to treat lice for thousands of years. Stop Lice Anti-Lice cares for hair, is soft on the scalp & has a pleasant scent. Stop Lice Anti-Lice leaves hair smooth & easy to comb. Removes all lice in a few steps:• Wet the hair with warm water, & lightly pat dry with a towel.• Dependant on the hair length, spread ¼ to ½ bottle of Picksan lice shampoo evenly through the hair & massage the scalp. Ensure that all hairs are soaked with the lice shampoo.• Leave the shampoo on for 15-20 minutes, covering the shoulders with a towel. Rinse the hair thoroughly with warm water & allow to dry.• Comb the hair with a lice comb. Preferably use a metal comb. Comb from the top down, beginning at the roots. • Repeat the treatment outlined above 10 days later.