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    GlossaryProstaglandin D2 Synthase (PGD2 Synthase)

    enzyme converting prostaglandin H2 to prostaglandin D2, linked to hair loss

    Prostaglandin D2 Synthase (PTGDS) is an enzyme that converts prostaglandin H2 into prostaglandin D2 (PGD2), a lipid compound involved in various physiological processes, including inflammation and allergic responses. In the context of hair biology, elevated levels of PGD2 have been linked to hair loss, particularly in conditions like androgenetic alopecia.

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      community Castor Oil - Yay or Nay?

      in Product  10 upvotes 3 years ago
      The conversation discusses the potential benefits of castor oil for hair thickening, with one user noting it may increase prostaglandin E2 and decrease PGD2. The original poster plans to take 1-2ml orally daily.

      community Anti Fibrosis and Calcification regimen?

      in Question  10 upvotes 6 years ago
      The user experienced no improvement in hair loss with finasteride and minoxidil but had side effects. They plan to add wounding, scalp massage, vitamin K, and taurine supplements to their regimen and seek feedback on these additions.

      community Hair follicle neogenesis

       6 upvotes 9 years ago
      A user plans to experiment with creating new hair follicles using methods like derma rolling, applying lithium chloride, tannic acid, and various other substances including caffeine, ketoconazole, and raspberry ketones. They also consider using anti-inflammatories, immunosuppressants, and DHT inhibitors to potentially improve results.

      community Autoimmune issue?

      in Question  2 upvotes 6 years ago
      The user experienced severe hair loss, itchy scalp, and skin issues after trying no-shampoo, and wonders if it's male pattern baldness or an immune issue. They have a history of eczema, dermatitis, and jock itch, and have tried various treatments like coconut oil, peppermint, pumpkin seed, and onion.

      community Finasteride is Good for Heart Health!

      in Research/Science  119 upvotes 8 months ago
      Finasteride, a hair loss and prostate drug, may also benefit heart health. Some users discuss the potential negative effects of DHT on the heart and the balance between hair loss treatments and heart health.

      community The "DHT" itch myth - it's more complicated

      in Product  6 upvotes 1 year ago
      A user found that scalp itch might be linked to inflammation rather than DHT alone and noticed hair improvement with certain cancer drugs. They also discovered that black seed oil relieved their scalp itch and are experimenting with a mix of essential oils for dry scalp, questioning if oils affect minoxidil absorption.

      community Oral Castor Oil and your experience

      in Treatment  9 upvotes 2 years ago
      A user experienced significant hair shedding and thinning after using oral castor oil for hair loss. Other users suggested seeing a dermatologist and noted that castor oil is typically used for constipation.

      community Hair loss protocol

      in Treatment 3 years ago
      The user is addressing hair loss with scalp botox, scalp massage, nizoral shampoo, various vitamins and supplements, and natural nitric oxide boosters like citrulline malate and beetroot powder. They are also considering a mouthpiece to reduce snoring and improve sleep.

      community I am actually regrowing my hairline without minoxidil or finasteride (mechanical stimulation)

       128 upvotes 6 years ago
      Regrowing hairline without the use of Minoxidil or Finasteride, and instead using mechanical stimulation such as Derma Roller, Nizoral, Zinc Pyrithione, Scalp Massage, Scalp Exercise, Fish Oil and other topical solutions. It is cautioned that there are risks associated with not using medically-prescribed treatments, but it is suggested to consider mechanical stimulation in addition to those prescribed treatments.

      community Question about Castor oil and other oils?

      in Question  6 upvotes 6 years ago
      Castor oil's effectiveness for male pattern baldness, receding hairline, and thinning crown is questioned, including its application method and potential side effects. The user also mentions experiencing hair shedding with coconut oil.

      community Why is there no feedback on pge2/setipiprant?

      in Question  6 upvotes 8 years ago
      The conversation questions the lack of feedback on the effectiveness of PGE2 and setipiprant for hair loss, despite their availability. The user is puzzled by the absence of reviews or results, whether positive or negative.

      community Opinions on Scalp fibrosis and DHT?

      in Research/Science  9 upvotes 2 years ago
      The conversation discusses the theory that scalp fibrosis contributes to male pattern baldness (MPB) by increasing DHT concentration, and mentions treatments like Minoxidil. The user seeks opinions on the theory and the effectiveness of scalp massages.

      community I’m already DOING EVERYTHING!!!

      in Female  27 upvotes 3 years ago
      A 26 year old female dealing with hair loss who is considering treatments such as Spiro, minoxidil and finasteride. Other potential solutions mentioned are PRP treatment, a wig, and bio-identical estrogen combined with bica.

      community The Big Fat Layer II

      in Research/Science  26 upvotes 3 years ago
      Hair loss treatment should target dermal white adipose tissue (DWAT) to restore hair follicles. Potential remedies include tocopherol (vitamin E), botox, rosiglitazone, niacin, kojyl cinnamate esters, and ADP355.

      community My Dad seems to get his hair back?

      in Question  16 upvotes 5 years ago
      A user's father, mostly bald for 20 years, is regrowing hair using a serum called "Skrzypovita Serum Pro" without minoxidil. The user is curious about which ingredients might be causing hair growth.