It's been shown that too little biotin and pantothenic acid (both B-complex vitamins) can lead to dry hair. Shampoos and hair treatment products commonly contain pantothenic acid (or pantothenol).

Some of the vital vitamins for preventing hair loss are B Vitamins as these are rich sources of Biotin, Magnesium, Folic Acid, Inositol, Sulfur and Zinc.

According to a research, intake of these vitamins in prescribed amounts will reduce thinning of hair. According to experts, a diet low in magnesium causes hair loss in patches. Similarly, diet low in biotin or Inositol results in total baldness.

When you take essential vitamins for hair loss, you will notice that there is an improvement in your hair quality. Vitamin A is very important for increase of hair growth. However, if you abuse it, it can reverse the benefit. Yes, it can actually result in hair loss. It is very important to consult a health care practitioner prior to taking any vitamins for hair loss or to increase hair growth. You may require to get a blood test done to determine the deficiency of these vitamins in your body.

But evidence supporting the benefits of pantothenic acid for dry hair and hair loss is very weak. Also, some people with hair loss do show low blood levels of biotin. While the evidence isn't strong, it may be worth it to try taking supplements of biotin and pantothenic acid for bothersome hair conditions that are not helped by hair treatment products.

Iron and Zinc also affect hair growth. Iron is an important trace mineral that is found in every cell of the body, including hair, usually combined with protein. Zinc is an essential mineral that is found in almost every cell, including our hair.

It stimulates the activity of approximately 100 enzymes, which are substances that promote biochemical reactions in your body. Zinc supports a healthy immune system, is needed for wound healing, helps maintain your sense of taste and smell, and is needed for DNA synthesis.

There are some special foods that can help to promote hair growth. Fatty acids help in improving the texture of your hair and even prevent dryness and brittle ends. Make sure that your diet consists of foods rich in fatty acids.

You should also include good portions of vegetables such as carrots, cauliflower, peas, and beans to keep your hair healthy. Also include eggs, nuts and bran to your diet.