My daughter has had headlice since end of January/beginning of Feb. We have wet condition combed every 3 days. We have used lotions and lotions and potions. EVERY 3 days. Combed through tiny sections of hair again and again. She has long thick hair! I just can’t seem to get rid of the buggers!! My daughter is really struggling and so upset and it hurts sitting stiff for so long.m and my poor back. Help!