OUT! Flea and Tick Spot-On Dropper, 0.6 oz. OUT! Flea and Tick Spot-On formula kills and controls flea and ticks for dog and puppies (12 weeks or older) for up to 1 month Flea and Tick Spot-On formula work on any size dog (large breed and small breed) with flexible dosage amounts based on your dog's weight Natural formula containing Clove Oil, Thyme White Oil, and Cinnamon Oil; no pyrethrins or cedar oil Can be easily applied from dog's shoulder blades to tail, and can be re-applied every two weeks Not for use with cats and kittens