Nutrition for hair is generally useful, and nourishing the hair can serve to moisturize the scalp and nourish the hair, which can make it softer and smoother. Generally speaking, the main component of hair is keratin, which accounts for about 97% or more of hair, and the main component of keratin is amino acid. And frequent coloring and perming will cause hair damage. Nutrition for hair can play a role in nourishing hair, improve the symptoms of frizzy, dry hair, soften hair, and play a role in moisturizing the scalp and nourishing hair. Therefore, giving hair nutrition is effective. Usually need to pay attention to clean hair, avoid the use of irritating shampoo, if any discomfort in time to go to the hospital for consultation.