First, read the English article below.

These are specially formulated to create straight or sleek hair. You don't need to buy expensive hair products, anything you can find at your local drug store or beauty supply store will work. You can also look for products that are labeled for creating "sleek" or "straight" styles. Use your towel to remove water from your hair by gently squeezing your hair in sections rather than harshly ruffling it dry. Patting your hair dry helps prevent excess frizz from occurring after showering. You should apply it when your hair is wet because it allows you to evenly spread the serum around your hair without creating clumps. Comb your hair with a wide-toothed comb after applying.  Products with Obliphica Berry, argan nut oil, Moroccan oil, or coconut oil are thought to help keep hair straight throughout the day.   Products with silicone will also help to keep your hair straight. You want your hair to be as dry as possible when straightening. Not only will this allow your flat iron to work better, it will also prevent your hair from being shocked by the heat and breaking off.  Point the hair dryer downward with the flow of your hair while blow-drying. This downward motion away from your roots encourages your hair to dry straight. It also smooths down your hair and reduces the risk of frizz. Set your hair dryer on the lowest heat setting. If you have particularly frizzy hair, drying your hair on a lower heat setting for a longer period of time will prevent your hair from puffing up as you dry it. 

Now, please write a short abstract for it in Vietnamese. Abstract:
Dùng dầu gội và dầu xả với công thức đặc biệt giúp tạo ra tóc thẳng mượt. Thấm khô tóc sau khi gội. Dùng serum hoặc sản phẩm bảo vệ tóc khỏi tác động nhiệt khi tóc vẫn còn ướt. Sấy tóc.