Why is biotin good for hair?

Written by amanda kondolojy
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Why is biotin good for hair?
(Wikimedia User: Totnesmartin, Public Domain)

Biotin is a common vitamin in nature that is naturally found in very small amounts. It has been found to significantly aid hair growth and overall hair health. Biotin is often prescribed for those suffering hair loss or brittle hair. There are several things that biotin can do for your hair, and it is widely available in a number of formats.


The main reason biotin is good for hair is that it strengthens both hair follicles and the hair shaft, where the hair is produced. When taken as part of a regular regimen, hair that has been treated with biotin will be stronger. As a result, hair will be less prone to breakage and will contain fewer split ends.

Growth Rate

In addition to helping strengthen hair, biotin also helps hair grow faster. Since one of the chief things that slows hair growth is damaged hair. Hair that has been strengthened with biotin can grow at a fast, healthy rate because the shaft as well as the follicle are strong and can handle a rapid rate of growth.


The best way to add biotin to your diet to improve hair health is through supplements. Special hair-focused vitamins will ideally have between 30 and 100 micrograms of biotin included to achieve a noticeable effect.

Natural Sources of Biotin

Natural sources contain biotin, including eggs, red meat and bananas. However, biotin is not a very abundant vitamin in nature, and only occurs in very small amounts. Since these sources do not include enough to impact hair growth, if you want noticeable results it is better to go with a nutritional supplement.

Biotin in Hair Products

Although it is less effective, biotin is also added to shampoos to help strengthen hair. There is evidence that adding it to shampoos will help repair weak strands of hair. However, because biotin is generally used by the body to help build hair, such claims remain unproven.

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