Some of us prefer to use a groomer and others prefer to groom at home. Either way there are things you still need to do at home even if you use a professional groomer to keep problems from occurring.
Your pets coat should be shiny and smooth, not dull and patchy. There should be no foul odor coming from the coat. Odors can be from bad breath, to ears, to the actual skin coat. If you have these smells, start checking ears, teeth and skin to see which it is. You may need to visit us to resolve the issue. These can signal bacteria growth and need medicine to take care of the problem.