Many people start finasteride or minoxidil when their hair loss is actually driven by ferritin deficiency, thyroid dysfunction, or vitamin D insufficiency — all fully reversible without prescription medication. Get these tests first.
The biology of hair loss changes at every decade of life. Understanding what is happening at your specific age — and what works — is the difference between a protocol that produces results and one that wastes years.
The most common mistake when treating hair loss is starting a protocol before diagnosing the type. There are six distinct forms, each with a different cause, different treatment, and different outlook.