All the energy that is required by the body is fulfilled by the food that is taken in. When the food breaks down in our body, a large amount of energy is released which is further stored in the form of ATP. This energy gained by the food fulfills the requirement of the body. The hair being the part of the body also require energy for the normal body growth. Different genera of food contain different sort of nutrients like fruits contain vitamins, meat contains the protein, milk product calcium, and vegetables contain the fibers. In order to prevent the diseases of the scalp (enfermedades del cuero cabelludo) certain nutrients are required.

The salmon is something that is placed first on the table when it comes to planning a diet for the healthy hair. It is full of omega-3 fatty acid. It is considered vital because this is the major ingredient that makes up a small portion of hair and is important for its healthy growth. It is also rich in vitamin D. This omega can also be obtained from the trout and sardines. For the hair diseases (enfermedades del cabello) and scalp diseases (enfermedades cuero cabelludo)walnut is also good. This is because; it also contains omega-3 along with the Vitamin E. The oysters are also considered important as they contain zinc in it. The deficiency of the zinc can cause dandruff and the scalp problems.
Except for these, the hair treatment diet also includes sweet potatoes for being beta carotene-rich, egg for being protein rich, spinach for being iron and folate-rich, lentils and Greek yogurt as it contains B5. Moreover, it is also a rich source of protein. Protein has a great importance for hair, as the hair are 97% protein. The blueberries and poultry, for the same reason, should be taken. For the scalp skin diseases (cuero cabelludo enfermedades)supplements should also be taken.