ADAMS Plus Flea & Tick Prevention Spot On for Dogs provides targeted, once-a-month flea and tick prevention for dogs. This topical spot treatment kills all stages of the flea life cycle and helps prevent flea reinfestation for up to 30 days. It also kills brown dog ticks, deer ticks, and kills and repels mosquitoes for up to 30 days. The applicator reaches deep into your dog’s coat for easy on-skin application. Spot On spreads with your dog’s natural skin oils and starts killing fleas in as little as 15 minutes. Plus, the quick-drying, waterproof formula won’t rub or wash off, providing effective dog flea and tick control. Use this spot treatment along with other ADAMS products to protect your pet, family, home, and yard from pests.