Hair loss is a common issue that affects men and women of all ages. Although it is often perceived by patients as a simple aesthetic problem, in reality it is a multifactorial condition associated with hormonal, genetic, environmental or even psychological factors. By understanding what truly happens in the life cycle of the hair, one can better comprehend the issue of hair loss with greater accuracy.
What Is Hair Loss and When Is It Considered Normal?
Hair is not in a stable state. It goes through three phases: the anagen, the catagen, and the telogen phase. At the end of the telogen phase, the hair naturally falls out, allowing a new one to grow from the same follicle. Therefore, losing approximately 50 to 100 hairs per day is completely normal.
However, if the hair loss exceeds the expected amount or if density decreases noticeably, the phenomenon may indicate an underlying disorder. The changes may occur gradually or suddenly, depending on the type and the cause of hair loss. By observing the intensity, the duration, and the pattern of appearance, one can better assess hair loss.
Main Types of Hair Loss
Hair loss is not a single condition. Depending on the mechanism that causes it, it can be classified into various types, each with its own course and treatment. More specifically:
- Androgenetic Alopecia: This is the most common form of hair loss. It develops gradually and is influenced by genetic predisposition and the sensitivity of hair follicles to hormones. In men, it is characterized by recession at the temples and thinning at the crown, while in women it usually causes diffuse thinning along the midline.
- Telogen Effluvium: It occurs when a triggering factor causes a large number of hairs to shift into the shedding phase. It may be due to intense stress, infections, surgery, hormonal changes, or medication treatments. Although it presents as an acute and noticeable condition, in most cases it is reversible.
- Alopecia Areata: It is an autoimmune form that usually presents with round patches without hair or with broken hairs. Its course is unpredictable and requires medical guidance.
- Ουλωτική τριχόπτωση: Σπανιότερη, αλλά πιο σοβαρή μορφή, όπου ο θύλακος καταστρέφεται μόνιμα. Η έγκαιρη διάγνωση είναι απαραίτητη για να περιοριστεί η εξάπλωση της βλάβης.
Most Common Causes of Hair Loss
Hair loss may be caused by multiple factors. The most important include:
- Genetic and hormonal factors, which determine how hair follicles respond to hormones.
- Hormonal changes, such as after childbirth, during menopause, or in thyroid disorders.
- Stress and psychological strain, which affect the hair life cycle.
- Nutritional deficiencies, particularly in iron, zinc, protein, and vitamins D and B12.
- Medications or medical treatments, which affect the way hair follicles regenerate.
- Skin conditions, such as seborrheic dermatitis, psoriasis, or fungal infections.
- Styling-related damage, excessive heat, or chemical treatments.
Proper identification of the cause is the foundation of an effective treatment strategy.
Diagnosis: How Is Hair Loss Evaluated?
The evaluation of hair loss requires a combination of clinical examination and diagnostic tests. The physician takes a complete medical history, examines the pattern of thinning, and assesses possible systemic symptoms. In many cases, blood tests are requested to investigate hormonal or metabolic disorders.
Trichoscopy is a valuable examination, as it allows detailed observation of the hair follicles. More specialized tests, such as a trichogram or a scalp biopsy, are used when there is suspicion of a scarring form of hair loss or when the cause remains unclear. A comprehensive diagnosis leads to targeted treatment and prevents unnecessary time-consuming interventions.
Treatment Options for Hair Loss
Modern treatments offer numerous options, depending on the type and severity of hair loss:
- Pharmaceutical treatments, such as topical or oral therapies that enhance the function of hair follicles.
- Regenerative therapies, such as PRP, mesotherapy, and low-level laser therapy, which improve circulation and regeneration.
- Treatment of underlying conditions, such as thyroid disorders, anemia, or inflammatory skin conditions.
- Hair transplantation, which offers a permanent solution in advanced or stabilized stages of androgenetic alopecia.
The combination of treatments often yields the best results, especially when there is an accurate diagnosis of the problem.
Daily Habits That Protect Hair
Alongside medical treatments, daily habits can have a positive or negative impact on the structure of the hair. Certain practices, such as those listed below, significantly help in strengthening the hair:
- Mild cleansing products, which do not irritate the scalp and do not dry out the hair.
- Limiting heat exposure, such as blow dryers, straighteners, or curling irons.
- Avoiding very tight hairstyles, which mechanically pull on the hair.
- A diet rich in protein and vitamins, which supports the normal growth of new hair.
- Reducing intense stress, through relaxation techniques or exercise.
These small changes enhance the effectiveness of any treatment and contribute to the long-term health of the hair.
When Is the Help of a Specialist Required?
A visit to a dermatologist is considered necessary when hair loss is chronic or worsens rapidly, when gaps appear on the scalp, or when it is accompanied by symptoms such as pain, inflammation, redness, or intense itching. Any form of sudden and severe hair loss should also be evaluated immediately to rule out more serious causes or conditions that require prompt treatment.
Early diagnosis significantly increases the chances of successful treatment and often prevents permanent alopecia on the scalp.
Hair loss is a multifactorial condition, but modern treatment options and proper guidance allow most people to see meaningful improvement. With appropriate therapies and correct daily habits, hair loss can be managed effectively, offering greater self-confidence and a better quality of life.
For any questions or if you notice changes on your scalp, consult the experienced dermatologists of AI Derma Clinic, Dr. Athanasios I. Pavlidis and Dr. Konstantina Mamali. With many years of experience in clinical Dermatology, Dermoscopy, and Dermatologic Surgery, and specialization in Hair Transplantation, they offer a comprehensive and safe approach to the diagnosis and effective treatment of hair disorders. Trust them for early prevention and accurate evaluation in an environment of high scientific expertise and care. Contact AI Derma Clinic today to schedule your appointment.

