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. No sign of improvement after one year on Fin 1mg daily

      Is this regrowth?
      Finasteride is used to prevent further hair loss, not for regrowth. Adding minoxidil is suggested for potential hair regrowth.
    3. My Progress. July 21st 2025 x April 22nd 2026

      Progress Pictures
      A user shared their hair regrowth progress using oral Dutasteride, Biotin, and Minoxidil over nine months, reporting significant improvement without surgery. They emphasized the effectiveness of these medications and noted no side effects.
    4. 211 days if scalp massage . Update!!

      Chat
      OP is using scalp massages, dermastamping, and rosemary oil for hair improvement, with mixed opinions on effectiveness. Some suggest lighting affects perceived results, while others recommend treatments like finasteride, dutasteride, and RU58841 for better outcomes.
    5. 2.5 years on fin + min – regrowth, shedding phases, LLLT stabilized

      Progress Pictures
      The user experienced regrowth and stabilization in hair density using finasteride, minoxidil, a derma roller, and an LLLT helmet, but noticed a recent decline in hair quality. They only take finasteride orally and are unsure about the effectiveness of the LLLT device.
    6. How is this even possible that there is no cure till now

      Technology
      There is no permanent cure for hair loss; treatments like finasteride, minoxidil, and hair transplants require ongoing use and are not universally effective. Genetic complexity and financial incentives for ongoing treatments hinder the development of a definitive cure.
    7. 7 months progress, 20M, 1.25mg finasteride

      Progress Pictures
      A 20-year-old has been using 1.25mg finasteride daily and 5% minoxidil twice a day for seven months with no side effects, noticing thicker hair but no reversal of hairline recession. Users discuss the effectiveness of finasteride and minoxidil, with some mentioning additional treatments like derma rolling and lifestyle changes.
    View more new posts in Community →
    Image of study

    New in research

    1. Microneedling for Cutaneous Manifestations of Autoimmune Disease: A Scoping Review

      Microneedling may help treat some autoimmune skin conditions, but more research is needed. Image of study
    2. Programmable Viscoelastic Hydrogels Exhibit Antimicrobial and Regenerative Properties to Promote Cell Migration, Wound Healing, and Tissue Remodeling

      HA-gel-dex hydrogels help heal wounds and regenerate tissue effectively. Image of study
    3. Formulation And Evaluation Of Herbal Anti-Dandruff Shampoo

      The herbal anti-dandruff shampoo is effective and safe for daily use. Image of study
    4. Sexual Dimorphism of COVID-19 Inspires Drug Repositioning and Host-Targeting Immunotherapy for Viral Pneumonia

      Balancing testosterone may reduce COVID-19 severity. Image of study
    5. Efficacy, Safety, And Tolerability Of A Wearable Electrotrichogenic Device In Men With Androgenetic Alopecia: A Randomized, Double-Blind, Sham-Controlled Trial

      The device improved hair growth and thickness in men without side effects. Image of study
    6. SARS-CoV-2 Infection Reduces the Number of Spermatogonial Stem Cells and Dysregulates the Transcriptional Landscape of the Human Testis

      COVID-19 can harm male fertility by reducing sperm stem cells and damaging testicular function. Image of study
    7. Laser-Based Interventions For Scarring Alopecia: A Meta-Analytic Review Of Clinical Outcomes

      Laser therapies may improve scarring alopecia, but more research is needed. Image of study
    8. Regulation of Itch-Induced Scratching by Nucleus Accumbens Dopamine Receptor-Expressing Neurons

      Dopamine receptors in the brain influence itch-related scratching behavior. Image of study
    9. A Systematic Review of Herbal Hair Masks

      Herbal hair masks using Amla, Neem, Shikakai, Bhringaraj, Hibiscus, and Ginger can effectively treat dandruff and promote hair health. Image of study
    View more new articles in Research →