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      community Quit vaping/smoking = 80% less loss

      in Research/Science  235 upvotes 1 year ago
      Quitting vaping significantly reduced hair loss for a user who was a heavy vaper and also taking finasteride. Some participants suggest nicotine's vasoconstrictive properties may worsen hair loss, while others share personal anecdotes of hair improvement after quitting smoking or vaping.

      community PSA: Check your vitamin D levels!

      in Treatment  315 upvotes 9 months ago
      Low vitamin D levels can negatively impact hair growth, and supplementing with vitamin D, along with treatments like finasteride and minoxidil, may help improve hair health. Quitting smoking and ensuring adequate vitamin B12 and K2 intake are also suggested to support hair regrowth.

      community Weed/THC effects on hair growth/hair loss, and vitality of organ-culture human follicle studies (research review)

      in Research/Science  4 upvotes 1 year ago
      Cannabis and THC may have mixed effects on hair, with some studies suggesting potential negative impacts on hair growth in isolated hair follicles, but these results are hard to apply to living humans. Treatments like minoxidil and finasteride are commonly used for hair loss, and the effects of cannabis might be neutral or vary based on individual factors.