Seresto^®kills fleas and ticks. Seresto^® was designed with specific ingredients at doses that are active against fleas and ticks. ... The Seresto^® collar works with a unique polymer matrix of two active ingredients, which spread from the site of direct contact over the skin surface of your dog.

Can dogs still get ticks with Seresto collar?

Your pet already has ticks

As well as preventing fleas, Seresto is an effective tick treatment. If your dog has a tick attached to it before you put the collar on, it can take up to 48 hours for these to be killed so we would generally recommend removing any ticks that are already attached.

Do ticks still bite with Seresto?

without protection the dog would be covered. Seresto has not repelled the ticks, but they bite and die. We still have to pick ticks every two days. ... Seresto has not repelled the ticks, but they bite and die.