The market has a lot of lice products to offer. Let the buyer beware is the attitude in many pharmacies. The shelves are full of old name recognized products that don't work on today's resistant lice. The lice have developed a resistance to the lice treatments on the shelf today. That is why you need LICENDERS products. They are made from enzymes, the blice can't develop a ressistance. LICENDERS lice products work 100% of the time or you get your money back!http://www.licenders.com/