Repels Fleas Naturally! Won't strip spot-on products like Advantage NaturVets Herbal Flea Powder can be used directly on dogs and puppies over the age of six weeks, or can be used on any type of pet bedding, such as pillows, foam beds, and blankets. The unique natural combination of Rosemary and Cedar Oil repels fleas while deodorizing and absorbing excessive skin oils. Herbal Flea Powder will leave your pet, or your pets bed, with a fresh and pleasant fragrance. Will not interfere with other spot-on products such as Advantage.Ingredients:Rosemary, Peppermint, Cedar Oil, Rosemary Oil, Calcium Carbonate and Cornstarch to prevent caking.