It comes in a pump action bottle. Helen can do a cat in less than a minute now. The only bad thing about Frontline is the people who make it, who are ethically and environmentally not good. Program is white stuff which you give to the cat in its food once a month. It is effectively a flea contraceptive.
Fleas ingest it as they bite.
Program is great if your cat doesn't go out to pick up fleas much, as it deals with the 95 per cent of your fleas living around the house, eventually, but it isn't cheap. Especially not if you've got three cats . They work by depressing her immune system enough that it does not react to something which would otherwise give her excruciatingly sore gums. The steriods also prevent her from having an allergic reaction to flea bites. The teeth are closer together than on flea combs, so the fleas get caught in the loose fur which the comb also removes, and the person doing the combing has anything up to a couple of seconds to crack the trapped flea with a swift, humane thumbnail.