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    GlossaryEpithelial Sac

    small, enclosed structure of epithelial cells around hair follicle

    An epithelial sac is a small, enclosed structure composed of epithelial cells, which are cells that line the surfaces and cavities of the body. In the context of hair biology, an epithelial sac can refer to the structure that surrounds the developing hair follicle, playing a crucial role in the formation and growth of hair. This sac provides a protective environment and supplies necessary nutrients to the growing hair shaft.

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      Diffuse hair loss and scalp biopsies

      community Diffuse hair loss and scalp biopsies

      in Research  692 upvotes 1 month 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 Results of Procyanidin B2 in clinical studies

      in Treatment  13 upvotes 3 years ago
      Procyanidin B2, a compound derived from Annurca apples, as a potential treatment for pattern hair loss. Several clinical studies were mentioned, which found that procyanidin B2 could increase hair growth, density, and keratin content. Other treatments such as Minoxidil, Finasteride, and RU58841 were not discussed.