The largest hair loss community and research database in the world

    Learn

    Read about the basics and view an index of important topics related to hair. Read enyclopedia »

    Research

    View the full text research archives for any subject related to hair loss and alopecia. Search research »

    Community

    Connect with hundreds of thousands of others who are defeating hair loss. Join forum »

    TresslessGPT

    Ask the chat bot any questions about hair loss and treatments. Answers are based on the latest research and the opinions of the community. Now free for everyone. Chat with AI »
    Popular topics:

    New in community

    1. Featured Community Post

      Research Backed Dutasteride Simulator (Serum/scalp DHT included for all doses)

      by Fuzzasteride

      A Dutasteride Simulator predicts serum dutasteride, serum DHT, and scalp DHT levels using models from research papers. It simulates various dosing schedules to determine steady-state effects and visualizes outcomes, including hair growth-related scalp DHT suppression.

      Read More
    2. Been on hairloss treatment for quite a while and not sure if its working

      General The user switched from a Hims Fin/Minoxidil spray to oral finasteride 1mg and over-the-counter Minoxidil 5% foam in July 2025 but feels the treatment isn't effective as hair loss continues. They seek advice on whether to continue the current regimen or try a different approach.
    3. 24M diffuse thinning ,2 years on finasteride and 5/6 months on dut and oral min, looking for long term advice

      General A 24-year-old male with diffuse thinning has been using finasteride for two years, dutasteride for 6-7 months, and oral minoxidil for 5 months, along with topical treatments. He plans to continue this regimen and reassess in August 2026, hoping to stabilize hair loss without surgery.
    4. Please help I’m new to buying minoxdil is my minoxdil fake or real

      General The conversation is about determining if a purchased Minoxidil product is genuine. The user shared images for verification.
    5. 3 months update on 3mg Dutasteride

      Chat The user saw no significant changes in hair loss after three months on 3mg Dutasteride, having previously used Finasteride and 0.5mg Dutasteride. They plan to continue the high dose for a year despite concerns about side effects and diminishing returns.
    6. Two and a half years on minoxidil and coming up to two years on finasteride. Hairline has only improved a bit but thickness/density is much better. I was pretty old when I started so I'm pleasantly surprised!

      Progress Pictures The user experienced improved hair thickness and density after using 5% minoxidil spray twice daily and 1mg finasteride tablet once daily, starting at age 33. They reported initial shedding with minoxidil but no other side effects.
    7. 2 years of dut, 1 year of loss 24m

      Progress Pictures The user experienced hair regrowth with dutasteride but later lost progress despite using minoxidil foam and dermastamping. Suggestions included reducing dermastamping frequency, conducting blood tests, and considering oral minoxidil or different brands of dutasteride.
    View more new posts in Community →
    Image of study

    New in research

    1. Evaluation of Porcine-Derived Placental Powder for Skin Wound Healing in a Rat Model

      Porcine-derived placental powder may improve wound healing by reducing inflammation and enhancing tissue repair. Image of study
    2. Rice Water: A Sustainable and Natural Alternative in Hair and Skin Treatment

      Rice water is effective for improving skin and hair health. Image of study
    3. Platelet-Rich Plasma Therapy in Male Androgenetic Alopecia: A Case Report and Contemporary Review

      PRP therapy can effectively improve hair growth in young men with early hair loss. Image of study
    4. Platelet-Rich Plasma Therapy in Male Androgenetic Alopecia: A Case Report and Contemporary Review

      PRP therapy effectively improves hair growth in young men with early-to-moderate hair loss. Image of study
    5. Role of MEG3-miRNAs in Immune-Inflammatory Regulation in Age-Dependent Wool Follicle Remodeling in Tan Sheep

      MEG3-miRNAs help control wool traits in young Tan sheep by regulating immune responses, but their decline with age leads to wool changes. Image of study
    6. Needle Mesotherapy in Adjunctive Treatment of Androgenic Alopecia

      Mesotherapy might help with hair growth in androgenic alopecia, but more research is needed. Image of study
    7. Single-Cell Transcriptomics Reveals Hair Growth Retardation Mediated by Aberrant Connective Tissue Sheath Contraction in Male Androgenetic Alopecia

      Inhibiting connective tissue sheath contraction may improve hair growth in male pattern baldness. Image of study
    8. Preparation And Evaluation Of Herbal Shampoo Using Bhringraj, Amla, And Aloe Vera

      The herbal shampoo with Amla, Aloe vera, and Bhringraj is effective, safe, and eco-friendly. Image of study
    9. Clinical Efficacy of SPARC-Modified Mesenchymal Stem Cells for the Treatment of Dog Skin Wounds

      SPARC-modified stem cells significantly improve dog skin wound healing. Image of study
    View more new articles in Research →