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Hair is our crowning glory. But aside from the hair on our head, we also have hair in other parts of our body. What is its importance?

Hair follicles are small, pocket-like holes in our skin. As the name suggests, they grow hair. The average human has about 100,000 hair follicles on the scalp alone.

On average, your hair grows about half an inch each month. Your hair growth rate can be affected by your age, hair type, and your overall health.

Hair follicles aren’t just responsible for how much your hair grows, they also influence what your hair looks like. The shape of your follicle determines how curly your hair is. Circular follicles produce straight hair while oval follicles produce curlier hair.

Hair follicles also play a part in determining the color of your hair. As with skin, your hair gets its pigment from the presence of melanin. There are two types of melanin: eumelanin and pheomelanin.

Your genes determine whether you have eumelanin or pheomelanin, as well as how much of each pigment you have. An abundance of eumelanin makes hair black, a moderate amount of eumelanin makes hair brown, and very little eumelanin makes hair blonde. Pheomelanin, on the other hand, makes hair red.

This melanin is stored in hair follicle cells, which then determine the color of the hair. Your follicles can lose their ability to produce melanin as you age, which results in the growth of gray or white hair.

If hair is pulled out of the hair follicle, it can regrow. It’s possible that a damaged follicle will stop producing hair. Certain conditions, such as alopecia, can cause follicles to stop producing hair altogether.

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