If your dog has dry skin, you can give it some fish oil and mix it with dog food. You can also use external drops. It is best to bathe your dog more often to keep the skin hydrated. Use Teddy's special shower gel. , comb your hair frequently. Be sure to dry the hair after bathing, otherwise bacteria and fungi will easily breed. Regularly deworm the dog to prevent it from getting skin diseases. Give the dog more fruits and water to replenish moisture.