Have you ever noticed scary warnings on through the skin anti-flea products? Avoid contact with skin! Wash immediately! Have you ever wondered why this warning doesnt also apply to your pet? So have we! Dancing Paws Flee, Flea! is your answer. Your pet can lick it with no harm. Our product is not absorbed through your pets skin, so it doesnt cause the irritation that can create hot spots the way transdermals can do.