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    GlossaryProliferation Index

    measure of cell division rate in a given tissue

    The Proliferation Index is a measure used to determine the rate at which cells are dividing and multiplying. In the context of hair and alopecia, it can help assess the growth activity of hair follicle cells, providing insights into hair health and potential treatments for hair loss. For professionals, it is often quantified using markers like Ki-67 in tissue samples to evaluate cellular activity.

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      learn Exosomes

      Microscopic delivery system that sends growth-promoting signals to hair follicles

      learn Platelet-Rich Plasma

      growth factors taken from your blood and injected into your scalp to stimulate hair

      learn Melatonin

      hormone commonly taken for sleep aid has some topical benefits for hair

      learn GHK-Cu

      a copper peptide showing promise in both regrowth and reversing gray hair

      learn Rapamycin

      mTOR regulator and immunosuppressant used more recently for anti-aging and hair regrowth

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      community New and Interesting HairLoss Studies/Papers/Reviews

      in Treatment  42 upvotes 4 years ago
      Hair loss treatments discussed include Dutasteride with Ketoconazole, tissue engineering strategies, and androgenetic alopecia therapies. Massage doubles follicular retention, improving treatment effectiveness.

      community Unofficial Dermapen/Roller Guide

      in Treatment  253 upvotes 6 years ago
      Treatments for hair loss, including microneedling (dermarolling and dermapen) and the use of minoxidil, finasteride, and RU58841. It provides detailed information about cost and usage of the various treatments, as well as potential side effects.

      community Does melatonin dissolve in isopropyl alcohol

      in Technology  7 upvotes 1 year ago
      The conversation discusses making a topical melatonin solution for hair loss treatment, questioning if isopropyl alcohol can dissolve melatonin. Melatonin is soluble in lipids and alcohol, but it's unstable and should be mixed fresh regularly; it may help hair growth by affecting certain cellular signaling pathways and has anti-androgenic effects.

      community Hair theory Scar tissue and Verteporfin

      in Chat  26 upvotes 6 months ago
      A user suggests that deeper microneedling with Verteporfin injections might help regrow hair in areas with scar tissue, alongside a DHT blocker. Another user explains that hair loss might be due to reduced Wnt/β-Catenin signaling and suggests that treatments like Minoxidil, Finasteride, and microneedling could potentially reverse it.