Trichology

Why is a dermatologist important in the study of hair?

Hair is much more than just a cosmetic issue: it is also a reflection of our overall health. Excessive hair loss, weakening, changes in thickness or texture, scalp flaking, or even localised hair loss are warning signs that should not be ignored. A dermatologist is a professional who specialises in the study and treatment of hair.

Warning signs

Sudden hair loss
Progressive loss of overall density or localised in certain areas
Symptoms such as itching and pain that persist over time

The dermatologist: the doctor for skin, scalp and hair

Although many people associate dermatologists solely with skin problems such as acne or dermatitis, their field of expertise also includes the study of hair and the scalp, as hair is part of the skin appendages (structures associated with the skin).

What can a dermatologist do for your hair?

Accurate clinical diagnosis: Through a comprehensive medical evaluation and specialised tools such as trichoscopy, a dermatologist can identify the cause of hair problems (hormonal, inflammatory, autoimmune, nutritional, genetic, etc.).

What hair conditions does a dermatologist treat?

There are many different hair conditions. These are the most common:

Androgenetic alopecia

Common baldness

Telogen effluvium

Diffuse hair loss

Alopecia areata

Plate fall

Trichotillomania

Compulsive hair pulling

Ringworm of the scalp

Fungal infection

Psoriasis or seborrheic dermatitis of the scalp

Lichen planopilaris, frontal fibrosing alopecia, and other scarring alopecias

Frequently asked questions about acne and rosacea

I understand that you may have questions and concerns about acne and rosacea. Below, I answer some of the most frequently asked questions from my patients:

What is acne?

Acne is an inflammatory skin condition that occurs when hair follicles become clogged with oil (sebum), dead skin cells and bacteria. This causes blackheads, whiteheads, pimples and, in some cases, cysts to appear.

Do only teenagers suffer from acne?

No. Although it is common in adolescence, acne also affects adults, especially women between the ages of 20 and 35. It is estimated that almost 30% of women in that age range suffer from it.

Can acne be cured just by following a good skincare routine?

Not always. Although a proper skincare routine can help, many cases of acne require medical treatment, which may include topical products, oral medications, or procedures such as laser therapy.

What causes acne?

Acne can have multiple causes: genetic factors, hormonal changes, stress, diet, and other lifestyle factors. That is why a personalised approach to diagnosis and treatment is important.

What types of treatment are available for acne?

Treatment depends on the type and severity of acne. It may include:

Topical medication (creams or gels)
Oral treatment (antibiotics, contraceptives, retinoids)
Laser treatments, both to reduce acne activity and to treat scars

Is it true that acne cannot be cured if I have had it for many years?

False. Although it is a persistent condition, there are multiple treatment options that can significantly improve acne and even eliminate it. It is never too late to start effective treatment.

Do stress and diet influence acne?

Yes. Stress can affect hormonal balance and worsen acne. Likewise, a diet rich in sugars and ultra-processed foods can have a negative impact on the skin. These factors are important when designing a comprehensive treatment plan.

Can acne leave permanent scars?

Yes, especially if it is not treated properly or if the spots are excessively manipulated. That is why it is important to see a dermatologist as soon as possible to prevent long-term scarring.

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Ignacio Castaño Uhagón - Doctoralia.es