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    Did you mean Histidine?
    GlossaryHistidine

    essential amino acid crucial for tissue growth and repair

    Histidine is an essential amino acid that plays a crucial role in the growth and repair of tissues, as well as in the production of histamine, a compound involved in immune responses, digestion, and sleep regulation. It is also important for maintaining the myelin sheaths that protect nerve cells and is involved in the production of red and white blood cells.

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      community A hill on which I will die: The DHT itch absolutely exists

      in Research/Science  208 upvotes 6 months ago
      The DHT itch is linked to hair loss and persists despite finasteride use; switching to dutasteride helped alleviate the itch and promoted regrowth. Some users suggest seborrheic dermatitis as a cause and recommend treatments like medicated shampoos, vitamin D, and minoxidil.

      community Cetirizine (Zyrtec), to help with inflammation.

      in Product  3 upvotes 2 months ago
      The user experiences an itchy scalp and finds relief using shampoo and Zyrtec, which helps with inflammation. They are unsure if the issue is related to histamines or seborrheic dermatitis.

      community antihistamine for scalp inflammation??

      in Chat  6 upvotes 2 months ago
      Cetirizine 10mg daily reduced hair shedding by 50% and lessened scalp itchiness. The user is considering long-term use for scalp inflammation and hair loss.

      community Low level chronic allergies and hair loss

      in Research/Science  6 upvotes 10 months ago
      Hair loss can be influenced by chronic low-level allergies, and treatments like fexofenadine or topical cetirizine may help with regrowth. The user avoids finasteride, dutasteride, and minoxidil, and has tried Regenera Activa and PRF sessions.

      community Is my hair improving after seven months on topical treatment?

      in Is this regrowth?  326 upvotes 11 months ago
      A user has been using Hims topical finasteride and minoxidil for seven months, along with micro needling, and is asking if there's an improvement in their hairline. Responses vary, with some seeing progress and others criticizing the photo quality for comparison, but no side effects were reported.

      community Antihistamines stop my hair loss

      in Treatment  24 upvotes 2 years ago
      A user found that antihistamines stop their hair loss and related symptoms, but they experience side effects like sedation and chest pain. They are seeking alternative solutions or topical antihistamines to avoid systemic side effects.

      community Bryan Johnson used a customized formula by Roots byGA to restore his hair

      in Treatment  26 upvotes 3 weeks ago
      Bryan Johnson used a customized hair restoration formula from Roots byGA, which includes Minoxidil, Cetirizine HCl, Latanoprost, Dutasteride, Melatonin, Caffeine, Tretinoin, Vitamin D3, and Vitamin E. Many users are skeptical of the effectiveness and uniqueness of the treatment, suggesting that standard treatments like Minoxidil and Dutasteride are more reliable.

      community Got a microscope camera. Here’s the difference between healthy and miniaturized hair

      in Progress Pictures  492 upvotes 2 years ago
      A user who shared progress pictures of their scalp using a microscope camera, demonstrating the difference between healthy and miniaturized hair. Various explanations for the cause of this were discussed, such as DHT build-up in scalp sebum causing an autoimmune response leading to inflammation and eventual hair loss, with some suggesting a do-it-yourself treatment involving adding ascorbic acid powder to shampoo.