Originally Posted by happytheman

Frontline is spread by the use of your pets natural body oils. Unfortunately, by bathing Nismo first (especially with a dish detergent) it may likely take several days for it to properly spread throughout Nismo's coat. If you had used another product, such as Advantage perhaps it would have been more effective.

Of course, I'm not suggesting that Frontline isn't an excellent product (it's a great product) it just works differently.