Massaging the scalp improves blood circulation in the area, which promotes the growth of healthy new hair. Get in the habit of massaging your head every time you're in the shower. Using the tips of your fingers, massage your scalp in small circular motions, making sure to cover every spot.  For a nourishing massage, dip your fingers in almond, jojoba, olive or coconut oil before starting. Tea tree oil is said to promote hair growth; try diluting five drops in one tablespoon of olive oil, then massage it into your scalp. The food you eat has a big impact on your hair. If you're not getting enough vitamins and nutrients, your hair will look unhealthy and dull or can become brittle. The best way to avoid a deficiency is to eat a varied diet that includes protein, fruits, grains, vegetables, and a healthy amount of fat. Also realize that broad malnutrition that affects your hair can be caused by crash diets, or eating disorders like anorexia and bulimia.  Omega 3 fatty acids, found in salmon, sardines, flax seeds, and avocados Protein, found in meat, fish, eggs, beans and tofu Other foods to try include clams/oysters, peanuts, peppers, Greek yogurt, papaya and other fruits high in vitamin C like citrus. If you suspect you have a vitamin or mineral deficiency that is causing problems with your hair, consider if your diet contains enough iron, zinc, biotin and vitamin B12 (B12 must be supplemented if you are vegetarian) and talk to a doctor about your concerns. Dehydration is another common culprit when it comes to dry, damaged hair. Be sure you drink plenty of water during the day. When you feel thirsty, reach for pure water instead of coffee or soda, which can act as diuretics and dehydrate you.  Alcohol can dehydrate the body fast. When you have an alcoholic drink, follow with a large glass of water. Try carrying a water bottle along during the day so you're never without water. Hair is easily damaged by the sun, extremely cold air, and air pollution. Wear hats designed to protect you from these environmental...

How would you rephrase that briefly using Vietnamese?
Mát-xa da đầu. Áp dụng chế độ ăn cân bằng. Duy trì đủ nước cho cơ thể. Bảo vệ tóc khỏi các yếu tố môi trường. Cắt tỉa tóc thường xuyên.