There is nothing more true than the saying: “Our hair is our crown on glory” – and this applies to both genders.
Hair care, but more importantly, having a hair full of hair is just as important for men as it is for women. For women, it may be an important accessory of beauty, and for men it contributes to a sense of masculinity, enhances their appearance and makes it more attractive and attractive to women. Calming for men is associated with aging (only old men are expected to lose hair) and therefore having hair on someone’s head is a sign of virility and masculinity.
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The Science Behind Hair
You might think, “It’s just her,” but think about this: what would you do if you wake up one day without a lock of hair on your head? However, as we said, hair loss is a natural physiological process. In the hair growth cycle, old hair must be thrown off to grow new hair. As we grow older, our body’s ability to produce hair also slows down, similar to when our bones stop growing at some point in our lives.
To better understand hair loss, let’s start talking about the science behind her. How does the hair cycle work?
Our hair is part of what we call the integumentary system of the human body, which also includes the skin and nails. Hair is in fact a kind of modified skin. It consists of keratin, a form of protein, and is produced in tunnel-like structures in the skin, the so-called follicles. In the hair follicle is the hair bulb that consists of cells that deposit keratin and melanin, which ensures that your hair gets its color. The hair that breaks out of the follicle through your skin is the hair shaft. The shaft consists essentially of dead cells consisting of keratin fibers. In fact, the totality of hair on our head is a huge chunk of dead cells, which explains why we don’t experience pain when we do a haircut.
How Hair Grows
The hair cycle consists of four phases: anagen, catagen, telogen and exogenes, and different hair strands can be in different stages of growth.
Anagen is the growth phase. This takes about 3 – 5 years, where you can see your hair grow every half inch per month. Full-length hair from this phase is approximately 18 – 30 centimeters long. Studies show that this phase can also be influenced by other factors. For example, a longer anagen phase has been established for Asian hair. The weather is also a factor; hair growth can be faster in summer than in winter.
Catagen is the regression phase and serves as the transition to loss. During this time, the hair follicle slowly releases from the papilla, which contains the very small blood vessels that feed the cell. The loss of nutrition means that the hair also stops growing. This phase lasts approximately 10 days.
The third and fourth phases are known as telogen and exogen respectively. With telogen it is assumed that the hair is ‘at rest’ until it finally detaches itself from the follicle and enters the exogenous or shedding stage. Once the hair is detached from the follicle, the follicle remains inactive for about three months, after which a new cycle begins again.
Head Different Stages
Hair follicles on our heads are at different stages of this hair growth cycle so that while some hair follicles are in the final phase, others are just starting their anagen phase, while others are still in the middle of the hair growth cycle. It is because of these different stages of growth that our hair does not all fall out at the same time. Instead, you only shed about 50 – 100 bundles per day – this is the normal speed of shedding hair.
In general, hair problems, in particular hair loss and hair loss, occur around the anagen phase or the resting phase. As we age, the length of the anagen phase also decreases as the hair follicles receive less and less nourishment from the body. The result is hair that is weaker and thinner after each cycle. In some cases the hair enters the resting phase too early (or the catagen phase is too short) and this also happens when excessive shedding occurs.
Disruptions in the normal length of each phase that can cause hair loss can result from a number of internal and external stimuli. These are also what we call the triggers and causes of your hair loss. As a quick example, a diet can leave the body stressed and in need of important nutrients. Because of this stress, the hair growth can be cut shorter than normal and there is an early start of telogen or the shedding of hair.
Some Quick Facts about Hair and Hair growth
We have around 5 million hair follicles all over our body, and there are around 100,000 on our heads.
About 10% of our hair follicles are simultaneously in the telogen phase. However, because these follicles are scattered everywhere, you will not see bald spots on your head.
Over time, the follicles stop growing as we age, another reason why baldness and thinning hair are common in the elderly.
As the hair becomes longer and heavier in the anagen phase, it becomes difficult for the follicle to hold the hair, triggering the second and third phases.
The shape of the hair follicles also determines how long we can grow our hair. Round follicles are more likely to grow longer hair because it offers a stronger grip than flat follicles.
In contrast to the popular myth, pattern baldness that occurs in men is not caused by maternal genes. Hair is a polygenic trait so that pattern or hair loss attributed to genetics is also likely to be caused by genes from the male side.
Wearing a cap does not make men bald. Although it is true that putting on your hair can lead to hair loss – in women – wearing a baseball cap does not wear on your hair, causing it to shatter. Experts have argued that the cap should be worn too tightly on the head to apply pressure that can cause damage and hair loss.
Another misconception that needs to be corrected is that staying out in the sun can cause hair loss. The radiation can damage the hair shaft, make it more dry and brittle and more prone to breakage, but does not cause permanent hair loss, especially in men.
Understanding Hair Loss
When we say “hair loss” it usually refers to one of these things: balding, hair loss, excessive hair fall, or complete hair loss. They may sound and mean the same thing – the hair loss, but there are different types of hair loss conditions, depending on the nature of the problem and the cause.
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