The flea comb is most effective when used as one element in a complete flea control program. A PetSmart exclusive. Directions: Find a quiet place and make your pet feel comfortable. Get a bowl of soapy water and put it next to you. Dip the flea comb into the bowl of soapy water. Fleas will be killed by the soapy water. Using the flea comb, start combing through the coat of your pet. Pay particular attention to the face, neck and the area just in front of the tail. Fleas are frequently found in these areas. The flea comb will remove both the adult fleas as well as eggs that are present on the fur. Repeat the combing session several times a day to remove as many fleas from your pet as possible.