The Advantage Purple flea treatment also kills flea eggs and larvae to break the flea life cycle, preventing reinfestation for an entire month. It stops fleas from biting within 3 to 5 minutes of application and kills the adult fleas and larvae within 20 minutes. All stages of pregnancy and lactation, as well as kittens of any age, are safe with Advantage.
Advantage spot-on flea treatment prevents fleas from biting. Within 3-5 minutes, it provides instant relief from flea bites. It doesn't require a bite - it kills fleas on contact, so your cat suffers less and the risk of Flea Allergy Dermatitis is reduced. It is safe to use on pregnant or lactating queens and includes a 6-month supply for one cat.
Advantage Purple is a topical flea treatment for cats that spreads over the skin and hair. Advantage Purple kills fleas through contact, so your cat doesn't have to be bitten for it to work. In order to be killed by oral flea treatments, fleas must bite your cat and ingest the medication.