Scarring alopecia refers to a group of rare, progressive dermatological conditions that lead to permanent and irreversible hair loss. As the disease progresses, hair follicles are completely destroyed and replaced by fibrous connective tissue and hyalinized collagen. This condition is associated not only with hair loss but, more importantly, with chronic inflammation of the scalp. Early diagnosis and the implementation of targeted treatment under the supervision of a specialist are crucial for halting these destructive processes.
Scarring alopecia – causes and pathogenesis
The mechanism underlying the development of scarring alopecia involves the irreversible destruction of hair follicle stem cells. From a medical perspective, the etiology of this condition is divided into two main groups:
- Primary cicatricial alopecia: The inflammatory process is directed specifically at the structure of the hair follicle (e.g., its upper portion, where stem cells are located). This group includes conditions such as lichen planopilaris, discoid lupus erythematosus, and frontal fibrosing alopecia.
- Secondary scarring alopecia: The destruction of hair follicles is a secondary effect resulting from extensive physical trauma, severe infections, burns, or neoplastic processes occurring within the dermis.
Autoimmune and genetic basis
Most primary forms of scarring alopecia have an autoimmune basis. Through complex pathological mechanisms, the immune system mistakenly identifies the body’s own tissues—specifically those forming the hair follicle apparatus—as foreign, triggering a destructive inflammatory process. Systemic conditions that may accompany or initiate this process include, among others, lichen planopilaris, discoid lupus erythematosus, and localized scleroderma (morphea). In some cases, genetic factors that predispose individuals to abnormalities in keratinization and skin structure are also implicated.
Symptoms of scarring alopecia
In the course of scarring alopecia, an inflammatory infiltrate of immune cells encompasses the entire structure of the hair follicle, leading to the destruction of the stem cells located within it. This results in a complete and irreversible loss of the capacity for regeneration and hair growth in the affected areas.
The clinical presentation of the disease can vary; however, characteristic symptoms reported by patients include:
- Often, the first warning sign is persistent itching, burning, or scalp pain upon touch (trichodynia).
- Erythema and distinct follicular hyperkeratosis appear around the hair follicles. The skin may become taut, or appear smooth and shiny in areas of progressive atrophy.
- Thinning occurs irregularly, and the hair that falls out may be in various stages of growth. Most commonly, the pathological process is localized in the frontotemporal region, although in aggressive forms, the changes can affect extensive areas of the scalp or even other parts of the body.
Most cases of scarring alopecia develop slowly, insidiously destroying the structure of hair follicles over the course of months or years. In rarer forms (such as frontal fibrosing alopecia), the progression can be more rapid, necessitating immediate medical consultation to initiate stabilizing treatment.
Diagnosis of scarring alopecia
Establishing an accurate diagnosis in cases of scarring alopecia can be challenging; therefore, at PT CLINIC, we base this process on a precise, multi-stage clinical pathway. The assessment begins with a detailed medical history and a comprehensive trichoscopic examination, which allows for a microscopic evaluation of the scalp. During trichoscopy, the specialist analyzes:
- Absence of hair follicle openings (so-called empty fields devoid of follicular structures),
- The presence of the phenomenon of hair follicle miniaturization in the immediate vicinity of scarring foci,
- Features of active inflammation, such as perifollicular erythema and follicular hyperkeratosis.
How can the progression of the disease be stopped?
The therapeutic process for scarring alopecia is complex and requires an individualized approach, given the diverse etiology of this group of conditions. Recognizing that the underlying cause is the irreversible destruction of the hair follicle architecture helps to clearly define treatment goals: the objective is not to revitalize structures that have already been destroyed, but rather to stabilize the disease by quenching the ongoing inflammatory process.
Pharmacotherapy as a foundation
The goal of pharmacological treatment is to inhibit the activity of the disease process and minimize distressing associated symptoms, such as itching, burning, or pain of the scalp. The choice of medication depends strictly on the histopathological diagnosis:
- Postacie infekcyjne: W przypadkach, gdy podłożem są zakażenia (bakteryjne, grzybicze), wdrażamy celowaną antybiotykoterapię lub leki przeciwgrzybicze o działaniu ogólnoustrojowym i miejscowym.
- Autoimmune and inflammatory forms: This is the most common group of cases. In such instances, we employ immunomodulatory or immunosuppressive treatments. These medications do not “weaken” the body in an uncontrolled manner; rather, they precisely modulate the immune system’s response, preventing it from attacking the body’s own tissues (in this case, hair follicles). Depending on the activity of the disease, we may use topical agents (glucocorticosteroids), intralesional injections, or systemic therapy.
For many patients, successfully halting the progression of the disease and eliminating pain-related discomfort represents a major therapeutic achievement, allowing them to preserve their existing hair.
Surgical treatment: Is a transplant possible?
It is worth noting clearly that surgical intervention for scarring alopecia does not treat the underlying cause of the condition; rather, it serves solely as a reconstructive method to address hair loss once the disease process has stabilized.
For years, it was widely believed that hair transplantation for scarring alopecia—such as lichen planopilaris (LPP)—was entirely ineffective due to the autoimmune nature of the condition and the risk of graft rejection. However, contemporary clinical knowledge and research conducted by a team led by Dr. Piotr Turkowski (published in Journal of Clinical Medicine, 2025, titled “Hair Transplantation for Lichen Planopilaris: A Case Series of Five Patients“) have demonstrated that performing an FUE hair transplant, combined with the administration of platelet-rich plasma (PRP) during a carefully determined, stable phase of disease remission, can yield lasting and aesthetically satisfying results.
Hair transplantation (including the FUE method) for cicatricial (scarring) alopecia is a highly rare procedure that carries a significant risk. It may only be considered for patients who have achieved complete, long-term stabilization and remission of the inflammatory process, as confirmed by a dermatologist or trichologist. Performing a transplant during the active phase of the disease—while the inflammatory process is still destroying hair follicles—is contraindicated, as it will inevitably lead to the destruction of the transplanted follicles and the loss of any results from the procedure.
Qualification for such a procedure requires a thorough assessment of the scalp—the scar must be healthy, well-vascularized, and free from active inflammation. We make the decision to proceed on an individual basis, following a period of extended observation of the patient.
Supportive therapies and trichological care
In rare cases, once an acute inflammatory condition has completely subsided, procedures designed to support scalp health—such as gentle biostimulatory treatments—may be considered as a supplement to a medically prescribed treatment plan. It must be emphasized, however, that traditional methods intended purely for relaxation or superficial care will not reverse the effects of the disease.
In the treatment of scarring alopecia, close cooperation between the patient, a dermatologist, and a trichologist is crucial, as is the implementation of targeted pharmacotherapy designed to inhibit the autoimmune response. Home remedies, scalp lotions, or over-the-counter ampoules are entirely ineffective in such cases, as they fail to reach the root of the problem and cannot halt tissue destruction. Professional medical care is the only way to protect the structure of the scalp from the further progression of the condition.
