Activyl® contains indoxacarb, an active ingredient with an innovative mode of action for flea control. Indoxacarb acts as a highly potent sodium channel blocker to impede insect nerve impulse transmission. Fleas stop feeding, become paralyzed and die. Activyl® is adulticidal, larvicidal and inhibits flea development in the environment.
Innovative active ingredient and mode of action
Effective flea protection demonstrated in fleas from multiple areas
Fast acting: starts killing fleas within 8 hours
Long lasting: kills fleas for a full 4 weeks
Breaks the flea life cycle
Approved for use on puppies over 4 lb and 8 weeks of age and older
Waterproof: remains effective after shampooing and bathing