Hair Follicles Explored

Hair Follicles Explored

Hair follicles are these small holes in the skin that grow hair. Studies suggest that the scalp contains at least 100,000 hair follicles. Many areas of the body contain a numerous number of hair follicles.
In this article, we will discuss the anatomy of the hair follicle and the hair growth cycle.

The Anatomy of Hair Follicles
Hair follicles grow in the outer layer of the skin, which is known as the epidermis. They resemble tunnels. At the bottom of each hair follicle, hair grows. Each hair has a root. This root, which is mainly made of proteins, gets its blood supply from the surrounding blood vessels.

During the process of creating protein cells, the hair elongates and comes out of the skin surface. Sebaceous glands are located near the hair follicles and they produce oil, which helps the hair to get out of the skin and prevent the hair from being broken easily.

What Is the Hair Growth Cycle?
The hair growth cycle is formed in 3 phases.
1. Anagen Phase: The hair grows from the root. It takes about 3 to 7 years.
2. Catagen Phase: The growth rate decreases significantly. It takes about 2 to 4 months.
3. Telogen Phase: The old hair is replaced by new hair. It takes about 3 to 4 months.

Studies suggest that during the telogen phase, in which the hair follicles do not seem to do anything, the hair follicles do a lot of activities to enhance all the skin tissues to regenerate and produce more hair. In order to create healthy hair, it is essential to pass through the telogen phase. 

Notice that the hair follicles all over the body go through the 3 phases of the hair growth cycles at the same time. In other words, while some hair follicles are in the growth phase, others rest. Some hair strands may be replacing old ones, while the others are preparing themselves to fall out.

According to the studies, we lose about 100 strands of hair per day and most of our hair follicles are in the aganen phase all the time.

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