Physiology and Medical Treatments for Alopecia
Androgenetic alopecia (AGA) is the most common hair loss disorder in men and women. The characteristic and reproducible balding pattern in AGA negatively affects self-image and the external perceptions of the balding patient. The phenotypical changes are driven by dihydrotestosterone (DHT) and its precursor testosterone. DHT induces follicle miniaturization and hair cycle changes until resulting hairs no longer extrude through the skin surface. AGA is inherited in a polygenetic pattern and is susceptible to epigenetic and environmental factors. Currently, minoxidil, finasteride, and photolaser therapy are the only Food and Drug Administration –approved medical treatments for AGA.
Source: Facial Plastic Surgery Clinics of North America - Category: Cosmetic Surgery Authors: Tymon Tai, Amit Kochhar Source Type: research
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