An excess or deficiency of certain nutrients can cause problems. Discuss your dog's diet with the doctor. Any suggested changes can prevent future problems. However, bathing softens the coats of breeds whose coats should be hard and wiry, may remove natural oils, and may dull the coat. Long-coated breeds should be brushed thoroughly before bathing, as matted and tangled hair will tighten after bathing and drying.
Products are available to restore coat oils after bathing and keep hair more manageable.
Consult your veterinarian about proper shampoos and rinses for your dog. Most cats seldom require bathing. If bathing is necessary, use a mild shampoo, rinse well and dry quickly with towels and a hair dryer. A short-haired cat should be brushed at least once a week. A good-quality stainless steel pet comb should be used to gently comb through the hair.