Spot On Topical Herbal Repellent - Cats & Kittens Using active herbal ingredients, Dr Mercola's Herbal Repellent Collar for Cats & Kittens effectivelly controls fleas, ticks and mosquitoes, reducing the number of bites. The easy to apply topical formula ensures safe and effective application for long term protection. No Harsh Ingredients Repels Fleas, Ticks & Mosquitoes 3 Applicators per box Directions for use: To be used on Cats & Kittens ( 4 months and older). Snap the cap off the tip of the Spot on Topical repellent applicator. Lift or spread the fur between your pet's shoulder blades until you can see their skin. Place the applicator tip directly on their skin and apply the recommended amount by gently squeezing the tube. Wash hands immediately with soap and warm water after applying. For maximum protection, reapply once a month and use simultaneously with Dr Mercola's Herbal Repellent Collar for Cats & Kittens.