my granddaughter has headlice and we can't seem to get rid of it. She has had at least 6 or 7 treatments and this has been going on now since the end of May. Both myself and her mother have been going through every bit of her hair and removing all the nits; this is ongoing. We also have her sleeping every night in different locations of the house. Not sure what else we can do. Her siblings do not have any at all. Just her. Not sure what else to do. We are very clean people so I don't understand why we can't get this under control. Your assistance would greatly be appreciated. From Grandma Susan