Zodiac - Spot-On Plus Flea Control For Cats and KittensSpecial Formula Kills Flea Eggs for up to 1 month.Unique applicator shape helps prevent misapplication on dogsREAD ENTIRE LABEL BEFORE USE.USE ONLY ON CATS OR KITTENS OVER 12 WEEKS OF AGE.Directions: It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.This product contains 4 monthly doses, each 0.034 fl oz (1cc) (one monthly dose).USE ONLY ON CATS OR KITTENS OVER 12 WEEKS OF AGE.1. Bend at perforation and tear off 1st month's applicator. 2. Hold applicator and bend numbered area of plastic at perforation, tear off and discard. 3. Hold applicator upright away from face and body and use scissors to cut secure seal applicator tip. 4. Prior to application of the product, gently lift the cat's haircoat on the back of the neck at the base of the skull, position the tip of the applicator on the cat's exposed skin, and squeeze out the entire contents of the applicator onto the cat's skin. Because of the bitter taste of the product, some cats may salivate if they are able to lick the product when grooming right after application. This effect is temporary and is not harmful. 5. Repeat application once monthly.ACTIVE INGREDIENT (S)-Methoprene (CAS # 65733-16-6)....3.6%, OTHER INGREDIENTS...96.4%, TOTAL...100.0%Net Contents Four 0.034 fl oz Applicators - UPC: 41535775506