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    Did you mean 5-alpha-reductase inhibitors?
    Glossary5α-reductase inhibitors

    block enzyme converting testosterone to hair-loss-causing DHT

    5α-reductase inhibitors, also known as 5-ARIs, are medications that block the enzyme 5α-reductase. This enzyme converts testosterone into dihydrotestosterone (DHT), a hormone that can contribute to conditions like male pattern baldness and benign prostatic hyperplasia (BPH). By inhibiting this enzyme, 5-ARIs can help reduce hair loss and shrink an enlarged prostate.

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      community A hill on which I will die: The DHT itch absolutely exists

      in Research/Science  210 upvotes 1 year ago
      The DHT itch is linked to hair loss and persists despite finasteride use; switching to dutasteride helped alleviate the itch and promoted regrowth. Some users suggest seborrheic dermatitis as a cause and recommend treatments like medicated shampoos, vitamin D, and minoxidil.

      community NW5 at 19. How many grafts do I need?

      in Transplants  140 upvotes 2 years ago
      A 19-year-old with rapid hair loss since 16 is considering a hair transplant but refuses to take finasteride or any 5α-Reductase inhibitors. They are currently using minoxidil, tretinoin, and microneedling with a Derminator 2, and only want hair until age 27.

      community Finasteride increase in Estradiol?

      in Update  17 upvotes 2 years ago
      A user experienced increased estradiol, nipple tenderness, and ED after taking finasteride. They are considering dose reduction to mitigate these effects.