DA Double Advantage

DA Double Advantage is an easy-to-apply water fast topical treatment for dogs providing protection against fleas, ticks, mosquitoes and more. It starts to kill adult and larval fleas rapidly - within just 20 minutes of contact! It is also water-fast. It remains effective for a full month even after swimming or bathing. It stops fleas from biting pets in just 3-5 minutes to give fast relief to flea-allergic dogs, and keeps on killing fleas for up to a month.