Article in English: Make sure your dog has a high-quality balanced diet and constant access to fresh water. You should choose a commercial dog food that lists a named meat, like chicken, beef or lamb, at the top of the ingredients list, followed by a named vegetable, like sweet potato or carrot. These quality ingredients are more nutritious than "meat-by-products" or "soya" and the food is more likely to contain good levels of vitamins and minerals. It's also a good idea to look for a food that has added vitamin E or omega-6 fatty acids, since these can nourish your dog's skin.You should put  olive oil on the dogs food to help get rid of the dry skin. It works quite well and it serves as a great treat for the dog.  Cheaper or economy foods usually begin with lower quality ingredients and are more heavily processed. This can cause your dog's skin to suffer, especially if you change from a good quality food to a poor quality food. While you won't notice the changes immediately, you will see a difference after about a month. Regardless of whether you choose a high or low quality commercial food, some nutrients will be destroyed during processing. If your dog has dry skin, you may need to give additional nutrients in the form of dietary supplements. These can nourish skin cells deep within your dog's tissues, which will lead to healthy skin after about a month of supplementing. Consider adding the following nutrients:  Vitamin E: Give your dog 1.6 to 8 mg / kg per day. Ask your vet for a dosage specific to your dog. Vitamin E is an antioxidant which can improve your dog's skin and promote healing. It does this by combating the damage done to skin cells as a result of environmental factors such as pollution.  Omega fatty acids or oils: These are also known as PUFA (poly unsaturated fatty acids). Omega 3 is found in flax, corn, and soy oils, while Omega 6  is found in fish oils. These fatty acids are anti-inflammatory (helpful if your dog has allergies), which can nourish the skin cells, and improve the skin's defensive barrier. The...

Summary in Vietnamese:
Cung cấp đầy đủ dưỡng chất cho chó. Cho chó dùng thực phẩm chức năng. Chải lông chó thường xuyên. Tắm cho chó. Kiểm soát độ ẩm trong nhà. Kiên nhẫn.