Causes of Hair Loss
Why Hair Changes —
and What You Can Do
Hair loss is rarely random. Understanding the underlying cause is the first step toward an effective treatment plan. Here are the most common root causes we see in our consultations.
5 min read·Reviewed by Dr. Leonard
Root Causes
The Most Common Drivers
Tap any cause to learn more about how it works and what treatment looks like.
Androgenetic alopecia is driven by an inherited sensitivity to dihydrotestosterone (DHT), a hormone that gradually miniaturizes follicles on the scalp. It can begin in your teens or emerge decades later. Both men and women are affected, though the pattern of loss looks different. Early intervention with doctor-led treatments can slow or reverse progression.
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