It works — providing long
-lasting flea and tick protection in a single treatment.It’s safe for dogs including breeding, pregnant, lactating dogs and 'ivermectin sensitive' Collies.approved for the treatment and control of sarcoptic mange and ear mites+.It's a great choice for dogs with flea allergy dermatitis (FAD).active ingredient belongs to a new class of antiparasiticide compounds, so there is no known flea or tick resistance to it – making protection worry
-free.