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Alopecia androgenética (AAG) is a prevalent form of hair loss caused by the miniaturization of hair follicles due to dihydrotestosterone (DHT). It affects both genders and significantly impacts quality of life. Diagnosis is primarily clinical, with treatments including topical minoxidil and 5-alpha-reductase inhibitors like finasteride and dutasteride. Women may also use antiandrogens and hormonal contraceptives. Emerging therapies such as microneedling and platelet-rich plasma are promising, alongside aesthetic procedures like hair transplantation. The study highlights the importance of early diagnosis and a multidisciplinary approach to manage the psychosocial effects and improve patient outcomes.

Alopecia androgenética (AAG) is the most common form of non-scarring hair loss affecting both men and women, significantly impacting self-esteem and quality of life. This document provides a comprehensive review of AAG, covering its pathophysiology, diagnostic methods, and therapeutic strategies. It highlights the genetic and hormonal factors involved in follicle miniaturization and discusses clinical manifestations and classification systems. The review details diagnostic approaches, including anamnesis, physical examination, and trichoscopy, and explores clinical therapies such as topical minoxidil, systemic treatments like finasteride and dutasteride, and aesthetic procedures and regenerative therapies.