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      learn Finasteride

      • Does stopping finasteride mean losing all progress? Here's what really happens. Studies and the drug label report that finasteride's benefit lasts only while it is taken: after stopping, scalp DHT returns to baseline and hair loss resumes over roughly 6 to 12 months. Plan any stop with the prescriber, but the UK regulator (MHRA, May 2026) advises stopping finasteride 1 mg immediately and contacting a doctor if depression or suicidal thoughts develop.

      learn Dutasteride

      learn Minoxidil

      Vasodilator used on the scalp and, at low doses, as a tablet
      • What are the side effects of minoxidil, and can oral minoxidil affect your heart? Minoxidil tablets are a blood-pressure drug whose US label carries a boxed warning for fluid around the heart (pericardial effusion, sometimes tamponade) and worsening angina; use for hair loss is off-label, and studies of low doses describe mostly mild effects but rare serious heart events. Do not start or change minoxidil without a doctor, and if chest pain, a racing heartbeat, breathlessness, fainting, swelling or rapid weight gain develop, stop and seek medical care.

      learn RU58841

      • How does RU58841 compare with minoxidil and finasteride? Minoxidil and finasteride (men only) are approved medicines with labels that list their side effects. RU58841 is an unapproved research chemical with no published human trial for hair loss, and a small 2026 study found it reaches the blood after scalp use.

      learn Melatonin

      Hormone that regulates sleep, sold as a supplement

      learn Metformin

      Diabetes drug that lowers blood sugar

      learn Mesotherapy

      Injections of drug or vitamin mixtures into the scalp