Maybe it's because you don't care enough I suggest you use some conditioner when you wash your hair, which is very helpful to your hair. Dry hair is related to insufficient nutrition in your scalp. Some people are congenital, while others are caused by acquired factors. If you don't care your hair properly the day after tomorrow, you often blow and perm it. It is recommended to do hair mask care after shampooing, and you can do it yourself at home. It's simple. You can also go to a regular medical plastic surgery institution to receive the treatment of Sumerian method. This treatment is the treatment of delivering nutrients to the scalp. It's very helpful for hair. It is recommended to go to a regular hospital for treatment.