Protein is not essential only for hair but development of whole body,proteins are made up of amino acids.Protein help in growth of hair and keeping them shiny and prevent them from becoming brittle.It can be found in fish,egg and meat etc.

Minerals are trace elements and hence needed in very small quantities but still are very essential. Iron is carrier of oxygen so iron deficiency can lead to weakening of hair follicles and ultimately death due to improper oxygen. Copper is essential for the color of the hair, the pigmentation and discoloration is related to the improper copper balance in the body.Zinc is also essential for the strong hair and it aids in preventing hair loss.

Vitamins are very essential, Vitamin A has great property to contribute to the formation of sebum which is essential for hair. Vitamin C is natural anti oxidant It helps in the metabolism of the various proteins and it prevents hair from drying.Vitamin B complex are water soluble vitamin and are needed for the hair growth and regeneration so they should be incorporated in the food.