Fast-acting control. Prevents reinfestation. Kills adult fleas before they lay eggs. Kills fleas which may cause flea allergy dermatitis. Kills fleas and ticks for a minimum of 30 days. Rapidly eliminates infestations with chewing lice. Aids in control of sarcoptic mange infestations in dogs.
Long Lasting Control of Fleas, Ticks and Chewing Lice
FRONTLINE Spray is the only flea control product that contains fipronil, a patented GABA inhibitor.
FRONTLINE Spray rapidly controls flea infestation by killing adult fleas.
FRONTLINE Spray residual activity prevents reinfestation by killing fleas and ticks for at least 30 days. Studies have shown FRONTLINE may protect dogs against fleas for up to 90 days.