This is also a good time to check your dog's toenails, and clip them. This is not, however, the only time to check and clip his nails. If your dog has fleas, use a flea powder or spray. Some owners avoid bathing their dogs. If bathing is absolutely necessary, do so at least two weeks before you show the dog to give his coat a chance to recover.
Cornstarch mixed with baby powder in equal parts makes a good dry shampoo.
Work the powder into the coat and, using a brush, remove it. Be sure to remove all of the powder. Any flat collar left on at all times will damage the fur beneath it. Use rolled collars in either leather or nylon.