Sentrypro Flea and Tick Spray – Water-based spray kills fleas, flea eggs and ticks on dog and cats 12 weeks of age or older. Sentry Pro Flea and Tick Spray helps prevent reinfestation for up to 30 days and leaves coat soft and manageable for grooming. Do not reapply more than once every 14 days. Contains 0.005% pyriproxyfen, 0.1% pyrethrins, 0.2% piperonyl butoxide and 0.33% n-octyl bicycloheptene dicarboximide. Spray against lay of hair over entire coat. Toy and Small Breed formula offers gentle protection especially formulated for small breeds.