Hair loss is one of the most common concerns that leads both men and women to visit a dermatologist, as it affects not only appearance but also self-confidence. The term hair loss, or alopecia, describes increased or persistent shedding, mainly from the scalp, although in some cases it may also affect other areas of the body. Although losing hair can cause considerable concern, many effective treatment options are now available. The most appropriate hair loss treatment always depends on the underlying cause, the type of alopecia and the individual needs of each patient.
Hair loss can occur at any age, regardless of gender or ethnicity. In some people, it develops gradually, while in others it appears suddenly over the course of a few weeks or months. It may be temporary, as often happens after severe stress or illness, or it may be more permanent, as in androgenetic alopecia. The positive news is that modern dermatology now offers conservative, injectable, surgical and supportive methods that can reduce hair loss and noticeably improve hair density.
What is hair loss and when is it considered abnormal?
Losing a certain number of hairs every day is normal and forms part of the natural hair renewal cycle. In most cases, shedding approximately 50 to 100 hairs per day does not cause thinning because new hairs are growing at the same time. The problem begins when shedding becomes more intense or when the hairs that are lost are not replaced at the same rate. In this situation, medical assessment is necessary so that the most appropriate hair loss treatment can be selected.
Every hair passes through three main stages of its life cycle: the anagen, catagen and telogen phases. The anagen phase is the active growth phase and may last for several years, while the catagen phase is a short transitional stage. The telogen phase is the resting and shedding stage. When an excessive percentage of hairs enters the telogen phase, shedding becomes more noticeable and the patient begins to observe thinning.
What are the main symptoms of hair loss?
Hair loss does not always present in the same way. In many men, it begins with recession of the frontal hairline, thinning at the temples or reduced density at the crown. In women, by contrast, the frontal hairline is usually preserved, while thinning becomes more visible at the crown and along the parting. Correctly identifying the symptoms helps the dermatologist determine which hair loss treatment is most suitable.
Another common sign is the sudden loss of large amounts of hair during washing or brushing. Some people notice hairs on their pillow, hairbrush or clothing, which can cause considerable anxiety. In other cases, circular or localised patches of hair loss appear, often about the size of a small coin, and may affect the scalp, beard or eyebrows. Sometimes itching, tenderness or changes in the texture of the scalp skin appear before the hair loss.
There are also cases in which hair loss is not limited to the scalp. Certain diseases or medical treatments, such as chemotherapy, may cause hair loss throughout the body. In these situations, hair growth often returns after treatment has been completed or the underlying condition has stabilised. Distinguishing between temporary and permanent hair loss is essential when planning treatment.
Causes of hair loss: Why does hair fall out?
Hair loss may be caused by many different factors. Heredity is one of the most common causes, particularly in men, in whom androgenetic alopecia often presents with thinning at the forehead, temples and crown. Genetic predisposition may become apparent even at a young age and, in some cases, can already be observed during adolescence. For this reason, early diagnosis makes it possible to begin the appropriate hair loss treatment sooner.
Hormonal changes are also an important factor, particularly in women. Pregnancy, breastfeeding, menopause, polycystic ovary syndrome and starting or stopping contraceptives may affect the hair growth cycle. Thyroid disorders, including hypothyroidism and hyperthyroidism, can also lead to diffuse hair loss. In these cases, treatment should not focus only on the hair but also on regulating the underlying disorder.
Nutrition plays a crucial role in hair health. Iron deficiency, low ferritin levels, anaemia, inadequate protein intake, crash dieting and rapid weight loss can all affect hair growth. At the same time, deficiencies in vitamins and trace elements may make the hair weaker, finer and more fragile. Appropriate hair loss treatment often includes correcting such deficiencies, always after laboratory testing.
Severe stress, infections, injuries, burns, inflammation and autoimmune diseases may also cause hair loss. Certain medications, excessive vitamin A intake, treatments for serious illnesses and chemotherapy can temporarily or more severely affect hair growth. In addition, frequent use of chemical products, hair dyes, excessive pulling, tight hairstyles and intense heat from styling tools can place stress on both the hair shaft and the scalp.
Diagnosis before any hair loss treatment
No treatment can be truly effective unless it is preceded by an accurate diagnosis. Hair loss is not a single condition but a symptom that can result from different mechanisms. The dermatologist evaluates the clinical appearance, medical history, rate of progression and possible triggering factors. Only then can a personalised plan be created and the appropriate hair loss treatment selected.
The clinical examination of the scalp is often supplemented by specialised diagnostic methods, such as trichoscopy or digital hair analysis. Using a microcamera and specialised technology, the doctor can assess hair density, diameter, quality and distribution. This analysis helps distinguish between androgenetic alopecia, telogen effluvium, alopecia areata and other forms of hair loss. At the same time, it allows the response to treatment to be monitored using objective data.
Laboratory testing is also required in many cases. Tests may include iron, ferritin, thyroid hormones, vitamins, a hormonal profile and markers associated with autoimmune or inflammatory diseases. Detecting an underlying cause can completely change the treatment approach. For example, hair loss caused by anaemia is not managed in the same way as hereditary hair loss.
Conservative hair loss treatment
Conservative management includes medical and non-invasive options that aim to reduce shedding and strengthen the hair follicles. It is usually used when active hair loss is present, when thinning is at an early or moderate stage or when the underlying cause can be controlled without surgery. In many cases, conservative hair loss treatment can significantly slow progression and improve hair quality.
Medication may be topical, oral or injectable, depending on the diagnosis. Minoxidil is one of the best-known first-line treatments because it helps prolong the hair growth phase and improve local blood flow. It may be used by both men and women, always under the guidance of a dermatologist. Results require time and consistency because the hair growth cycle does not change immediately.
Finasteride and dutasteride are used in selected cases of androgenetic alopecia. They act by affecting the mechanism of dihydrotestosterone, which is associated with the gradual miniaturisation of hair follicles. They should only be prescribed by a doctor, as they are not suitable for every patient and require personalised assessment. In certain cases, they may be combined with other therapies to stabilise the result more effectively.
Autologous hair mesotherapy and injectable treatments
Autologous hair mesotherapy is a modern option used to strengthen hair follicles and improve hair quality. The method uses components derived from the patient’s own body with the aim of stimulating natural regeneration within the scalp. It may be used in both men and women, either as a standalone treatment or in combination with other methods. It is often incorporated into a comprehensive plan when hair loss treatment requires a multifactorial approach.
Injectable treatments may also contain vitamins, amino acids, peptides and other active ingredients designed to nourish the scalp. Their purpose is to improve the microenvironment surrounding the hair follicles and strengthen existing hairs. The most appropriate protocol is selected according to the diagnosis, the severity of the hair loss and the patient’s response. The dermatologist determines how frequently sessions should be repeated rather than following generalised rules.
Mesotherapy with Dermaroller and microneedling
Microneedling with a Dermaroller is a method that aims to stimulate the scalp by creating tiny punctures in the epidermis. These microchannels help topical therapeutic substances penetrate the skin while also stimulating the body’s natural repair processes. The temporary increase in local blood flow may contribute to improved oxygenation and nourishment of the hair follicles. When performed correctly, the method can support a comprehensive hair loss treatment plan.
The first application should be carried out in a dermatological setting so that the patient receives appropriate instructions and irritation or incorrect use can be avoided. In some cases, the dermatologist may recommend that treatment continues at home according to a specific protocol. The method is often combined with topical treatments, such as minoxidil, when considered appropriate. Correct frequency and strict hygiene are essential for safe and meaningful results.
Low-level laser treatment as a hair loss treatment
Low-level laser therapy is a non-invasive approach designed to stimulate the hair follicles. Low-intensity light energy may help improve microcirculation within the scalp and strengthen existing hairs. It does not cause thermal damage and is usually used alongside other treatments. As part of a personalised plan, it may enhance the overall effectiveness of hair loss treatment.
The method is most useful in cases of mild to moderate thinning, when active hair follicles are still present and capable of responding. It does not replace medical or surgical treatments when these are considered necessary, but it may provide additional support. Its effectiveness depends on consistency, appropriate patient selection and combination with other therapeutic interventions. For this reason, it should be included in a plan designed by a dermatologist with expertise in hair loss.
Hair transplantation as a permanent hair loss treatment
Hair transplantation is the most comprehensive surgical solution for cases in which hair loss has caused permanent thinning or bald areas. The procedure is based on transferring healthy hair follicles from the donor area, usually at the back of the scalp, to the areas affected by thinning. The transplanted hairs are the patient’s own natural hairs and continue to grow in their new location. For many patients, hair transplantation is the most effective hair loss treatment when conservative methods are no longer sufficient.
The two best-known techniques are FUE and FUT. In FUE, individual follicular units are extracted, while in FUT, a thin strip of skin containing multiple hair follicles is removed. The choice of technique depends on the donor area, the degree of thinning, the patient’s needs and the doctor’s treatment plan. Precision during placement, the correct angle of growth and the experience of the medical team are all essential for achieving a natural-looking result.
Hair transplantation is not necessarily suitable for everyone. Before the procedure, the quality and density of the donor area must be assessed, and active hair loss should be stabilised. Some patients may need conservative treatment before or after transplantation in order to protect their existing hair. In more extensive cases of thinning, more than one session may be required to achieve the desired result.
Natural and supportive methods
Proper care of the hair and scalp can support medical treatment, but it cannot replace an accurate diagnosis. The use of suitable shampoos, when recommended by a dermatologist, may help in cases of oiliness, dandruff, inflammation or scalp sensitivity. Avoiding frequent use of hairspray, harsh chemical products, strong hair dyes and excessive heat reduces stress on the hair shaft. These practices improve the scalp environment and may support the overall hair loss treatment.
Nutrition is also a key factor. When hair loss is associated with deficiencies, the dermatologist may recommend targeted nutritional support or supplements, provided that there is a documented need. Taking vitamins without medical advice is not always helpful and, in some cases, may even cause problems. A balanced intake of protein, iron, vitamins and trace elements helps the body support healthy hair growth.
Lifestyle also affects hair health. Stress management, adequate sleep, reducing smoking and limiting excessive alcohol consumption may offer meaningful support. When anxiety is severe or prolonged, working with a mental health professional can be particularly helpful. Hair loss often affects emotional well-being, which is why treatment should address the patient as a whole rather than focusing only on the hair.
How is the right hair loss treatment selected?
Treatment should not be chosen on the basis of advertising claims or general advice. Every patient has a different medical history, a different type of hair loss and a different degree of thinning. A treatment that helps a man with androgenetic alopecia may not be suitable for a woman with a hormonal disorder or for a patient with telogen effluvium. For this reason, personalised hair loss treatment is the key to safe and meaningful results.
In many cases, the ideal plan includes a combination of treatments. For example, topical medication may be combined with injectable therapies, low-level laser treatment, nutritional support and lifestyle changes. In more advanced cases, hair transplantation may offer the final solution, while conservative treatment helps preserve the result. Ongoing monitoring is essential so that the plan can be adjusted according to the patient’s response.
Ultimately, hair loss is a common but complex problem that may have many different causes. From heredity and hormonal disorders to stress, nutrition, medications and scalp conditions, every case requires careful assessment. Modern dermatology offers many options, ranging from minoxidil, finasteride and dutasteride to autologous hair mesotherapy, microneedling, low-level laser treatment and hair transplantation. The right hair loss treatment is never chosen at random, but is the result of an accurate diagnosis and a personalised treatment plan.
The earlier a person seeks medical guidance, the greater the likelihood of limiting hair loss and protecting existing hair growth. Trial-and-error approaches and the indiscriminate use of products often delay genuine improvement. By contrast, a scientific approach allows the patient to understand what is happening, which options are available and what results can realistically be expected. With the right plan, hair loss can be treated effectively and the appearance of the hair can improve significantly.
Dermatologist Dr Apostolos Karalexis, who specialises in hair loss treatment and hair transplantation, can help you identify the most appropriate hair loss treatment through an accurate diagnosis, a personalised plan and modern therapeutic methods.
