Androgenetic Alopecia
Also known as: Male Pattern Hair Loss · Female Pattern Hair Loss · Hereditary Hair Loss
Androgenetic alopecia is a hereditary, androgen-mediated pattern of progressive hair miniaturization affecting roughly half of men by age 50 and a substantial share of women postmenopause. Early intervention preserves more follicles than late-stage rescue.
What you need to know
Androgenetic alopecia is driven by genetic sensitivity to dihydrotestosterone (DHT) at the follicle level, not by total testosterone alone. Standard, evidence-based pathways include 5-alpha-reductase inhibition (finasteride) and topical minoxidil, often combined. Hormonal context — testosterone, DHT, estradiol, ferritin, thyroid — is reviewed to surface contributing factors. Provider-reviewed continuity matters: hair-cycle response is measured in months, not weeks.
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