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      learn Osteopontin

      signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

      learn Adenosine

      nucleoside used for hair regrowth stimulant properties

      learn Valproic acid

      an anticonvulsant repurposed for hair loss via histone inhibition

      learn Follistatin

      glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

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      community Summary of Procapil video by Haircafe

      in Minoxidil  2 upvotes 2 months ago
      Procapil is marketed as a natural hair loss treatment but lacks strong evidence and is industry-biased. Minoxidil and Finasteride are the only FDA-approved treatments for androgenetic alopecia.

      community Can microneedling damage existing hair?

      in Microneedling  9 upvotes 1 month ago
      Microneedling is unlikely to damage existing hair if done with a device using a smaller needle count, like a 9-needle cartridge, and a stamping motion. Hair follicles are deeper than the typical needle penetration depth.

      community Hair transplant result, hair+confidence back 👍

      in Progress Pictures  295 upvotes 3 years ago
      A user who got a hair transplant and gave their experience with it, including how the donor area recovered quickly and the potential risks of getting a hair transplant at a young age. Other users discussed bleaching and dyeing transplanted hair, as well as asking about the clinic where the procedure was done.

      community Caffeine in hair care – does it really help?

      in Research/Science  10 upvotes 1 week ago
      Caffeine in hair care can support hair growth but is not a standalone solution; it's best used in combination with other treatments like minoxidil and finasteride. Some products combine caffeine with these treatments for enhanced effects.