Looking to keep your furry friend free from fleas and other biting pests? Pet Action Plus applicators are specifically formulated for small dogs and puppies that are 8 weeks or older and weigh between 6-22 Lbs. Pet Action Plus for small dogs provides active ingredients to potentially eradicate pests like fleas‚ ticks‚ and chewing lice. They may even be effective against pesky larvae and flea eggs. This waterproof combination of (S)-methoprene and fipronil remains active even after baths and exposure to sunlight. Be sure to use as directed! Pet Action Plus applicators can be conveniently applied to your pet once a month or as directed by your veterinary professional. These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose� treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition. CALIFORNIA PROPOSITION 65 WARNING: This product contains a chemical known to the state of California to cause cancer, birth defects or other reproductive harm.