1. How many times a week is the best shampoo?

Depending on the hairstyle.

According to doctors in Ho Chi Minh City Dermatology Hospital, hair quality depends heavily on the care, including the right shampoo, the frequency of shampoo plays an important role and depends on each person's hairstyle.

If your hair is usually smooth but they are prone to greasy, you should wash your hair every day.

For wavy hair, to keep the curls waves, you should wash your hair 2-3 times per week.If your hair is thick, you can wash 2 times/week.If the hair is thin and soft, wash 3 times/week.

For curly hair, the curls always bring a dry and fresh look thanks to their texture.You can wash your hair 1-2 times per week.

With tangled hair that is often easily damaged by dyeing and high temperatures, shampooing many times can dry the scalp and split ends.You should wash your hair 2-3 times per week with natural shampoos.

With oily hair, if the entire hair is greasy, you should wash your hair every day.If there are only some sticky curls, you can wash them every 2 days or weeks.

With dry hair, you should wash your hair 2-3 times per week.You need to apply hair oil before shampooing will make your hair smoother.

2. What to do to prevent hair loss?

Change of diet and living.

According to Dr. Vo Thi Tuong Duy, Tam Anh General Hospital in Ho Chi Minh City, in addition to changing the diet, changes in the lifestyle can help slow down or prevent hair loss.

You need to build a reasonable diet, full of nutrients-rich foods such as protein, omega-3 fatty acids, vitamin E, vitamin C, biotin, folate and other B vitamins to help support hair growth.Eat balance of fruits, vegetables, lean protein, whole grains, antioxidants and healthy fats.

You also need to build a suitable living regime, seeking to reduce and control stress to help prevent hair loss.Measures such as getting enough sleep, meditation, deep breathing, listening to music, walking, yoga, chatting with others or your own preferences will reduce stress.

In addition, you also need to take care of your hair properly, limiting the use of thermal hair styling tools to avoid damaging your hair, if used, use more hair protection products.