Usage: Flea control and prevention of flea development.

Cats: one pack size used for all cats

Small Dogs: Up to 22 pounds
Medium Dogs: 22 to 44 pounds
Large Dogs: 44 to 88 pounds
Extra Large Dogs: Dogs 88 to 132 pounds

Each size is available in either a 3-pack or a 6-pack. Frontline Plus kills fleas on contact and remains in the oil layer of the skin for up to 30 days. It also controls larval fleas, eggs and pupae.

Controls ticks.

Water-fast after 48 hours.

Simple to use, once-a-month application.