Although most people are unaware of this, there is a link between thyroid hormone activity and capillary health. Thus, it is important to understand that the thyroid stimulates the hair follicles, regulates the health of the sebaceous glands and participates in the production of sebum.

It is not surprising that the imbalances of this gland generate a chronic and diffuse loss of hair, always difficult to control. Fortunately, there are some tips and treatments that can help strengthen them to improve their appearance.

Before getting started: What is the thyroid?

The thyroid gland is one of several endocrine glands in the body. This butterfly-shaped gland is in the neck just below the larynx (voice box). Your thyroid gland makes hormones that help control the function of many of your body’s organs, including your heart, brain, liver, kidneys and skin.s a serie

What is thyroid disease?

There are a variety of diseases and conditions that cause the thyroid to malfunction. Two of the most common thyroid conditions are hypothyroidism and hyperthyroidism.

Hypothyroidism occurs when the thyroid gland is underactive and unable to produce enough hormones to meet the body’s needs. This can occur because of a birth defect, surgical removal of the thyroid gland, an autoimmune disease, goiter or nodules.

Hyperthyroidism occurs when the thyroid gland is overactive and produces more hormones than the body can use. The autoimmune condition known as Graves’ disease is the most common cause of hyperthyroidism. Multiple nodules, thyroiditis and excessive iodine intake can also contribute to overproduction issues.

Global Action and Impact on a healthy hair

The mission of the thyroid gland is to keep all the body’s systems in action and regulate them, this is the central thermostat of our body.

It activates and controls the energy exchanges of all cells, stimulates the tissue oxygen consumption and gives the tissues a normal trophicity, development and normal resistance.

As for capillary features, it stimulates the hair follicles, regulates the hair cycles, balances the activity of the sebaceous glands and the production of sebum. It also promotes vigor and tone of hair.

Symptoms of thyroid disorders on your hair

The symptoms associated with thyroid disorders may vary from one person to another and not necessarily manifest themselves in the hair. That said, a significant number of patients notice a change in their hair. Below are listed the most common symptoms encountered by people who consult us.

For hypothyroidism

Life cycle – Chronic and diffuse hair loss: the percentage of telogen hair increases and the telogen phase lengthens, which induces a delay of the anagen phase of the life cycle of a hair. The hair is becoming scarce.

Keratin – The keratin of the hair becomes fragile: it becomes more friable, less regular, less pigmented. The hair loses its tone, it is like “tangled”, more difficult to comb and unravel.

Appearance – The hair is dull and rougher, often drier, it takes on a woolen appearance. It can bleach more easily.

For hyperthyroidism

Life cycle – Diffuse hair loss also possible, by increasing the rate of hair production. Here, the three phases of the hair cycle accelerate and the hair grows and falls faster than normal.

Keratin – Exhausted by too fast a tempo, hair follicles produce weaker roots and hair. Result: the keratin is refined and the hair is easily brittle.

Appearance – Hair is often fatter, softer and thinner. It can look too silky.


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