TOPMED Stainless steel screw needle comb The long, dense screw teeth have been specially designed to ensure thorough removal of and eggs. Large handle for safe grip of the comb The rounded metal teeth on the edges were designed with the hair growth in mind to protect the scalp and prevent damage to the hair texture. The natural, ecological, safe and proper way to get rid of and eggs The TOPMED comb can be boiled for complete sterilization.Directions for use: Wash the comb thoroughly after each use. Comb the hair thoroughly with a comb or brush before use and loosen all ties to allow a smooth transition to the teeth of the comb. It is best to use a comb when the hair is dry. Divide the hair into the ends and comb each piece separately until all and eggs are removed from all ends of the hair. This should be repeated especially in areas prone to infection, behind the ears and the back of the head. The comb can also be disinfected in 70% alcohol.