Melatonin and hair growth: legit or scam?
    7/18/2023

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    In this question or advice post, the primary subjects mentioned are the tone is 😐 neutral.

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    Melatonin may improve hair growth rate and thickness. The user is seeking input on the legitimacy of this claim.
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      community Exploring Bryan Johnson's Hair Routine In Detail

       64 upvotes 2 years ago
      Bryan Johnson uses a custom hair loss treatment that includes topical finasteride, minoxidil, azelaic acid, diclofenac, tea tree oil, rosemary oil, ginkgo biloba, biotin, and melatonin, which have shown varying degrees of effectiveness with minimal side effects. He also undergoes PRP and laser therapy, and has tried dutasteride mesotherapy.

      community 3 Month Results with Nuclear Stack - 42M

      in Progress Pictures  114 upvotes 2 years ago
      A user shared 3-month hair regrowth results using a combination of oral Dutasteride, daily Minoxidil, RU58841, micro-needling, Keto shampoo, scalp massages, and supplements. Positive progress was noted, and encouragement to continue was given.

      community Topical solution recommendation

      in Treatment  2 upvotes 1 year ago
      The user is using finasteride 1mg every other day and seeks a topical solution excluding minoxidil. They are considering various combinations of ingredients like finasteride, dutasteride, and tofacitinib, with options for nourishing oils and other additives.

      community Topical solution recommendation

      in Product  1 upvotes 1 year ago
      The user is using finasteride 1mg every other day and seeks a topical solution to complement it, excluding minoxidil. They are considering various combinations of ingredients like finasteride, dutasteride, and tofacitinib, with options for nourishing oils and other additives.

      community ZeroMino Product Minoxidilmax?

       1 upvotes 3 years ago
      New product on minoxidilmax contains adenosine, caffeine, niacinamide, melatonin, azelaic acid, and biotin. User asks if it works for hair loss.

    Related Research

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      The Role of Dietary Supplements in Hair Loss Treatment: A Review of Evidence

      research Hair Supplements

      2 citations , July 2018 in “Elsevier eBooks”
      This review discusses commonly used dietary supplements for hair growth and highlights the lack of evidence supporting their efficacy and safety in the absence of nutritional deficiency; it reports no new research results.
      Androgenetic Alopecia: An Update on Pathogenesis and Pharmacological Treatment

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      August 2025 in “Drug Design Development and Therapy”
      This review article examines current drugs for androgenetic alopecia, focusing on their mechanisms and clinical efficacy, noting that while finasteride and minoxidil are commonly approved treatments, new drugs targeting different pathogenic pathways have emerged, offering a broader understanding and reference for AGA treatment options.
      Ingredients of Trichological Shampoos with Alleged Beneficial Effects on Hair—What Is Really Known About Their Efficacy? A Scoping Review of an Area with More Unknowns than Knowns

      research Ingredients of Trichological Shampoos with Alleged Beneficial Effects on Hair—What Is Really Known About Their Efficacy? A Scoping Review of an Area with More Unknowns than Knowns

      November 2025 in “Cosmetics”
      This study found that of the many ingredients advertised in shampoos as effective against hair loss, only caffeine, adenosine, placental proteins, and melatonin have limited clinical evidence supporting their efficacy, with most claimed active ingredients lacking any trial-based validation.
      Cosmeceuticals in Dermatology

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      1 citations , January 2013 in “Springer eBooks”
      Cosmeceuticals may benefit skin health but need more research for efficacy and safety confirmation.
      Gray Hair: From Prevention to Treatment

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      June 2025 in “Clinical Cosmetic and Investigational Dermatology”
      This study examined the factors contributing to gray hair, such as genetics and lifestyle, and found that while graying correlates with some health conditions, it is primarily a physiological process rather than a pathological one.