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    GlossaryIsthmus of Hair Follicle

    region between the infundibulum and bulge area of hair follicle

    The isthmus of the hair follicle is a specific region located between the infundibulum (the upper part of the follicle) and the bulge area (where stem cells reside). This section plays a crucial role in the structural integrity and function of the hair follicle, including the anchoring of the hair shaft and the regulation of hair growth cycles.

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      community The MPB itch aka DHT itch is very real.

      in Chat  9 upvotes 1 year ago
      Hair loss itch is caused by DHT attacking follicles and stimulating nerves. Finasteride users who respond well don't experience this itch.
      Diffuse hair loss and scalp biopsies

      community Diffuse hair loss and scalp biopsies

      in Research  692 upvotes 3 months ago
      Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

      community Progress but at different times?

      in Is this regrowth?  6 upvotes 7 months ago
      The user has been taking 1.25mg of oral minoxidil and 1mg of finasteride for a year and added topical minoxidil in January. They noticed hair improvement but are experiencing uneven regrowth, with the hairline improving and the middle part worsening.