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    GlossaryPiloerection (Goosebumps)

    involuntary hair follicle contraction causing goosebumps

    Piloerection, commonly known as goosebumps, is the involuntary reaction where tiny muscles at the base of hair follicles contract, causing the hair to stand up. This response is typically triggered by cold temperatures or emotional stimuli such as fear or excitement, and is a vestigial reflex inherited from our ancestors, who had more body hair and used this mechanism to appear larger or to trap an insulating layer of air.

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      community induce goosebumps to reverse hairloss

      in Satire  18 upvotes 1 week ago
      The conversation humorously discusses inducing goosebumps to potentially reverse hair loss, with mentions of using cold therapy and muscle exercises. It also references other unconventional ideas like removing a testicle to lower DHT.

      community 4 month minoxidil foam + 1MM dermarolling update.

      in Progress Pictures  525 upvotes 5 years ago
      User sshamu's progress pictures of 4 months using minoxidil foam and 1MM dermarolling for hair loss, which resulted in impressive results. There is also discussion about how often to use the treatments, as well as potential side effects of finasteride.

      community 3-month progress of hair regrowth

      in Progress Pictures  266 upvotes 8 months ago
      A 29-year-old male shares his 3-month hair regrowth progress using finasteride, minoxidil, and microneedling, reporting no side effects and light initial shedding. He is encouraged by the results and plans to continue the treatment.

      community 3 and a half month progress pic

      in Progress Pictures  260 upvotes 9 months ago
      The user shared a 3.5-month hair regrowth update using finasteride, 5% topical minoxidil, micro-needling, and keto shampoo, along with lifestyle changes like reducing stress and improving diet. They encourage others to stay committed to their regimen despite initial slow progress.