Why Does Hair Fall Out? What Kind of Alopecia Do You Have – Androgenic or Diffuse?

Before you start combatting baldness, determine why your hair is falling out. Otherwise, it would be difficult to retrieve its density. First of all, it’s necessary to understand which type of alopecia you develop – androgenic or diffuse. Knowing the type and causes of the disease, you’ll be able to treat it with maximum effect.

For your information: alopecia is a medical term from the field of trichology. It means hair loss. It can be diffuse, androgenic (androgenetic), nesting (focal) or scarring. The latter two types are rare. They develop due to serious immunological and dermatological pathologies and are treated exclusively under medical supervision. Therefore, we won’t focus on nest and scar alopecia. Let’s analyze only androgenic baldness and diffuse hair loss.

Androgenic alopecia

It doesn’t cause abundant hair fall. Its symptom is the slow thinning of curls on the temples, forehead and tip of the head. Without timely and adequate treatment, the problem results in irreversible temporal receding hairline. Men get a frontal-parietal bald spot and women get a “glowing” parting.

Why does hair fall out this way? If there are follicles that are genetically sensitive to androgens (these are sex hormones), then, they are concentrated in these areas. Under the influence of androgens, especially testosterone, the follicles atrophy. First, they produce increasingly thinner hair shafts. Then, they stop functioning altogether and die.

When the hairlines start to recede, it’s not enough to take vitamins as well as apply masks and lotions to nourish the skin. You need specialized pharmacy products with antiandrogenic components. Plus, you should get powerful growth stimulants, peptide or minoxidil-based. It’s very important to start therapy as early as possible. If the problematic bulbs completely atrophy, it will no longer be possible to grow new hair on the bald spot and only a hair transplant will help.

Diffuse alopecia

Don’t be afraid of bald patches, receding hairline or complete baldness of the head. Diffuse alopecia is a temporary hair loss. This happens periodically to everyone. Curls abundantly and abruptly thin out and then return to normal even without therapy. And with treatment, you’ll be able to restore their density much faster, in 4-6 months.

Why does a lot of hair fall out at once? Because the normal vital activity is disrupted in the follicles. And the root cause is any malfunction in the body that affects metabolism, for instance:

  1. Deficiency of trace elements due to an unbalanced diet
  2. Infection and its treatment with antibiotics or antiviral pills
  3. Stress or physiological hormonal imbalance

Any of these triggers changes the composition of the blood that feeds the follicles. Next, the mode of functioning of the bulbs changes too.

To understand why a lot of hair falls out almost instantly, let’s briefly analyze the life cycle of the follicle. It consists of three phases.

  1. Anagen — the follicle builds keratin fibers, from which a shaft is formed (the visible part of the hair).
  2. Catagen – the root is separated from the follicle and blood vessels. Its nutrition stops and keratin cells no longer divide.
  3. Telogen – the dead root and stem gradually move to the surface of the skin. The old hair falls out. At the same time, a new bulb is born.

Normally, the percentage of anagen (growing) and telogen (ready to fall out) hair is around 90% and 10%, respectively. Moreover, the growth stage lasts up to several years and the loss stage lasts only three months. Therefore, there is no obvious “molt”. A little bit of old hair keeps constantly falling out and new ones appear in their place.

In case of failures, the number of follicles in the anagen decreases to 50% or less. That’s why a lot of hair falls out at once. However, the provoking factor and the “molt” are separated in time. Metabolic failure (illness, stress, diet, etc.) prematurely interrupts the growth stage. And the actual hair fall begins after three telogen months.

Diffuse alopecia is always reversible. New shafts will be sure to appear in place of the ones that have left the head — even if you don’t do anything to fix the situation. However, we recommend taking action. First, determine the root cause of why your hair falls out: take tests for trace elements as well as check the thyroid gland and your overall health. Second, eliminate the root causes, if there are any. Third, intensively nourish your hair roots and skin: take medications and use cosmetics that stimulate blood circulation.


Now you know why a lot of hair falls out at once, which is why the head is balding slowly. Forewarned, forearmed. You may ignore a sharp hair fall. But if the skin on your head is “glowing” through the hair, you should hurry to see the trichologist without delay. Timely initiated and correctly selected therapy will help you restore and maintain the density of your hair even with a tendency to androgenic baldness.

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