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Why does hair loss and thinning occur?

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Why does hair loss and thinning occur?

Although it is a problem that occurs more frequently in men, hair loss or thinning can also occur in women and children. It is normal for each day to fall between 20 or 100 hairs (in autumn up to 200), although they are naturally replenished. It is part of the process of tissue regeneration that occurs throughout the body and, in fact, the hair is usually renewed in its entirety every six months.

The problem arises when all of the hair loss is not replaced, resulting in lower hair density, gradual exposure of the skin on the scalp, creating the appearance of an entrance (temple or crown), and even baldness (in certain areas) Total hair loss) occurs)).

Hair loss or thinning is temporary but can also be a continuous or repetitive process. And it can occur suddenly or slowly and is almost imperceptible. The important thing is to keep in mind that in some cases it may be a symptom of the presence of a disease. Therefore, it is especially necessary to consult a specialist.

Below are some of the most common signs and symptoms that can indicate a problem with thinning hair.

  • An increase in the number of hairs falling every day.
  • Changes in hair quality that are thinner than before.
  • Loss of volume
  • In some areas, the skin is exposed.
  • Especially the remarkable entrance of the temple. This makes the forehead look wider.

Causes of hair loss or thinning

There are numerous factors that can predispose to a loss or thinning of the hair:

  • Genetics: especially in men, baldness can be a hereditary problem.
  • Aging: age usually involves a gradual loss or thinning of the hair due to multiple factors: diseases, hormonal changes in women, use of certain medications, poor diet, etc.
  • Stress: One of the signs of excessive stress may be unusual hair loss.
  • Bacterial or fungal infections: these types of infections can cause dry skin of the scalp, peeling, and loss or thin of the hair.
  • Hormonal changes: it is one of the most common causes of alopecia in women, especially after menopause.
  • The use of some medications: hair loss is usually associated with chemotherapy that is used in the treatment of cancer, although once the hair is finished it comes out again. However, there are other medications that can cause hair thinning: cortisone, drugs indicated for the treatment of high blood pressure, blood thinners (heparin), cholesterol regulators (lipid-lowering agents), tricyclic antidepressants, etc.
  • Certain diseases: hair loss can be a symptom of certain diseases, such as lupus erythematosus or diabetes.
  • Poor diet: thinning hair can be the first sign of a nutrient deficiency diet, such as a lack of iron and the absence or shortage of proteins or certain vitamins.

Treatment of hair loss or thinning

  • Pharmacological treatments: there are currently specific drugs for hair loss in men, such as 5-alpha-reductase inhibitors, which act by reducing the presence of dihydrotestosterone in the blood, which is responsible for the hair follicles They weaken and the hair falls out.
  • Other oral treatments: there are multiple nutritional supplements indicated to stop or prevent hair loss or thinning: biotin, folic acid, vitamin B12, tank, zinc, brewer’s yeast. linoleic acid, Omega-6 fatty acid, etc.
  • Topical treatments: there are some topical treatments that help strengthen the hair and prevent hair loss, but not replace what has been lost. The best known is minoxidil, which acts as a vasodilator and therefore stimulates the hair root and hair growth. It is a long-lasting treatment and its effect disappears when it is discontinued.
  • Some have recently marketed some specific serum for hair loss or thinning, especially in women, which contain an epidermal growth factor of plant origin that emulates a human body protein that participates in the control of cell development and appears to be which favor the formation of new hair in the follicles that have lost it.
  • To these products, it is possible to add the numerous hair tonics that contain the aforementioned nutrients, although there are no studies to prove their effectiveness. Some do seem to stimulate hair growth.
  • Regenerative medicine: dermatologists now start using what they call PRP (platelet-rich plasma). A blood sample is obtained from the patient himself who is centrifuged to obtain a platelet-rich plasma that is subsequently injected into the areas of the scalp where the hair is being lost, in order to strengthen and regenerate the damaged hair follicles.
  • Other techniques: there are other techniques that are applied for hair regeneration, such as ozone therapy, mesotherapy, low-frequency laser or shampoos that have the ability to block DHT from attacking hair follicles, such as those offered by Hair Restoration Laboratories.
  • Hair implant: it is a technique that has been significantly improved in recent years. Follicles are taken from the back of the head, which are never lost, and transplanted one by one in areas where hair has been lost. It is a definitive solution.

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In this service, no recommendation will be made, explicitly or implicitly, about drugs, techniques, products, etc … that will be cited for informational purposes only.

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