The ultimate tool to fight headlice. Nitbusters have special spiral grooves on each metal bristle designed to enhance the grip on lice and eggs, making them pull away easily from the hair. Handle and bristles made from premium grade stainless steel.Nitbusters rounded tips stop bristles from scratching the scalpStainless steel bristles prevent rusting. Nitbusters Infinity comes with life time guaranteeInstructions: Lightly wet the hair, apply any conditioner and use any comb to untangle the hair. Part the hair into small sections. Comb through each section using Nitbusters. Clear each section before moving on to another, and clean the comb with water after each section.Nitbusters - A JFA Medical brand