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    GlossaryCetirizine (Zyrtec)

    antihistamine used to relieve allergy symptoms

    Cetirizine, commonly known by the brand name Zyrtec, is an antihistamine used to relieve allergy symptoms such as runny nose, sneezing, and itchy eyes. It works by blocking histamine, a substance in the body that causes allergic reactions.

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      community Zyrtec (Cetirizine) antihistamine for hair growth compared to Minoxidil NIH study

      in Minoxidil  35 upvotes 1 year ago
      The conversation discusses the potential of topical cetirizine (Zyrtec) for hair growth in comparison to minoxidil, noting cetirizine's ability to reduce prostaglandin D2, which inhibits hair growth. Users share mixed experiences with cetirizine for allergies and scalp health, and there's a mention of the risk of dementia with long-term antihistamine use.

      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 For those dealing with an unbearable scalp itch/pressure/inflammation.

      in Treatment  8 upvotes 4 years ago
      The conversation discusses using cetirizine (Zyrtec) topically to relieve scalp itch associated with hair loss and suggests it may also benefit androgenetic alopecia (AGA). One person found relief from scalp itch after three months on finasteride, noting the itch was linked to areas where hair was lost.

      community Anyone else experiencing scalp inflammation? Get in here!

       6 upvotes 5 years ago
      A user found that taking Zyrtec (Cetirizine) and Advil helped reduce their scalp inflammation and pain, potentially creating a better environment for hair growth. They have not used any other medication for hair loss or scalp issues.

      community TE turned into Scarring hairloss

      in Update  12 upvotes 8 months ago
      The user experienced hair loss due to a crash diet and later developed scarring hair loss. They are now on finasteride, oral minoxidil, LDN, Zyrtec, and Oztela to reduce scalp inflammation and promote hair regrowth.

      community What’s your nuclear protocol???

      in Chat  19 upvotes 1 year ago
      People discussed their intense hair loss treatments, including the use of dutasteride, RU58841, minoxidil, tretinoin, essential oils, microneedling, and various topical sprays. Some users reported success with these methods in preventing hair loss and stimulating hair growth.

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

      in Treatment  23 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 Finasteride + topical melatonin + rosemary oil for regrowth

      in Treatment  1 upvotes 4 months ago
      The user has been using finasteride for 4 months with positive results, including thicker and darker hair. They are seeking advice on maximizing hair growth without minoxidil, using a routine that includes finasteride, rosemary oil, argan oil, topical melatonin, specialized shampoos, and vitamins.

      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 1% cetirizine (available in allergy medicines) for androgenetic alopecia

       50 upvotes 4 years ago
      The conversation discusses using 1% cetirizine, an antihistamine, as a potential treatment for androgenetic alopecia (hair loss). One user plans to try cetirizine instead of finasteride, while others are curious or skeptical about its effectiveness, discussing the role of inflammation in hair loss.

      community Why does finasteride stop working?

      in Finasteride/Dutasteride  26 upvotes 1 month ago
      Finasteride may seem less effective over time due to increased DHT sensitivity or aging, but it still suppresses DHT. Switching to dutasteride offers stronger DHT suppression but may increase estrogen levels.

      community Rosemary oil, peppermint oil, mucuna pruriens - two weeks in

      in Treatment  84 upvotes 1 year ago
      A user who is trying alternative treatments, such as mucuna pruriens dissolved in water/alcohol and a blend of jojoba oil, rosemary oil, and peppermint oil, for hair loss. Other users have shared anecdotal evidence, discussed the potential effectiveness of certain treatments, and questioned the time sensitivity of experimenting with new treatments.

      community The link between hair loss and gut health

      in Research/Science  59 upvotes 4 years ago
      The conversation discusses the potential link between gut health and hair loss, with personal experiences of hair thinning and stomach issues shared. Some individuals found no success with common hair loss treatments like Minoxidil and Finasteride and are exploring the impact of gut health on hair growth.