What is a Hair Follicle?

If you have done a little research about Hair, you have probably had the question about What is a follicle ?. Well, in this article we will help you to know more about this little friend.

Video about the Hair Follicle.

We leave you the video in case you want a quick summary of what a follicle is.

What is hair?

Hair is an annex to the skin present in all mammals. The hair is composed of dead keratinocytes compacted into a keratin fiber with a high tensile strength, the hair shaft.

Hair Structure

Structurally, the hair is divided into two main parts, the hair shaft and the follicle. The hair shaft or fiber is the visible portion that is seen above the skin.

Hair Composition

The hair is composed of dead keratinocytes compacted into a keratin fiber with a high tensile strength, the hair shaft. It is mainly composed of a protein called keratin.

Basically the hair shaft is a dead remnant.

What is a hair follicle?

The follicle is one of the most complex organs in the human body. This structure is located under the skin.

The follicle works like a keratin factory, which undergoes cyclical transformations between its growth phases and its resting phases, this is known as the “hair cycle”. That is, the follicle has a capacity to regenerate itself cyclically in the period of a person's life.

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