It is difficult to completely remove melanin deposition in dogs, because melanin deposition is irreversible, so it cannot be restored to its original state. It can only be slightly relieved through post-care. It is best to bathe and deworm the dog regularly to ensure healthy skin, and then let the dog eat more vegetables and fruits to supplement vitamins; do not expose the dog to the sun, especially in the summer, and shaving the dog is not allowed. Shave bald.