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.Research
View the full text research archives for any subject related to hair loss and alopecia.Community
Connect with hundreds of thousands of others who are defeating hair loss.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.
Popular topics:
New in community
- Featured Community Post
Research Backed Dutasteride Simulator (Serum/scalp DHT included for all doses)
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 -
Hair Transplant result - 1st of 2 transplants.
TransplantsThe user had a hair transplant in Toronto to restore their hairline and crown, using 2400 grafts in the first procedure and is happy with the results. They are using Minoxidil and finasteride, and note that their hair is thinner on the back and sides due to graft removal. -
2 month on fin, looks terrible
Progress PicturesThe user is using finasteride for hair loss and is frustrated with shedding but plans to add oral minoxidil for convenience and safety. There are concerns about using topical minoxidil around pets. -
Worried about bumps popping up after microneedling
Microneedling
Microneedling once a week at 1mm caused bumps, possibly scars, in the treated area. The user is considering cleaning the skin before microneedling to prevent this issue. -
15 years on Fin 1mg EoD- losing effectiveness- bad experience on min, ideas?
GeneralThe user has been using finasteride for 15 years but is noticing increased hair loss. They are considering increasing the finasteride dosage or switching to dutasteride but are concerned about side effects; they previously stopped using minoxidil due to heart palpitations. -
14 Months Dut/Minox/Microneedling + 13 Months HRT
TransgenderThe user shared their hair regrowth journey using treatments like dutasteride, minoxidil, microneedling, tretinoin, Nizoral, silica, biotin, and hormone replacement therapy (HRT) with cyproterone and estradiol. They reported substantial hairline improvement and some crown thinning, with hopes for further progress. -
Best Electric Toothbrushes (2026) – Tested & Reviewed
ResearchThe conversation discusses the benefits of electric toothbrushes for oral health, highlighting the Philips Sonicare Protective Clean 5300 and Oral-B Pro 1000 as top choices for effective plaque removal and gum care. Both toothbrushes are recommended for their reliability, with the Philips being budget-friendly and the Oral-B offering advanced features for sensitive teeth.
New Featured Research
Hair Boost Serum UK for Hair Growth, Thickness & Hair Fall Control
The Hair Boost Serum in the UK is designed to address common hair concerns such as thinning, breakage, dryness, and slow growth, particularly in response to the harsh UK climate. This lightweight, nutrient-rich treatment penetrates deeply into the scalp and hair follicles, promoting healthier, stronger hair by stimulating hair follicles, improving blood circulation, and supporting natural growth cycles. Key ingredients like biotin, argan oil, castor oil, caffeine extract, and vitamin E work together to nourish and protect hair, reduce hair fall, control frizz, and improve scalp health. Suitable for both men and women, the serum is effective across all hair types and offers a simple solution for achieving thicker, stronger, and healthier hair with consistent use.
Read More
New in research
-
A Holistic Approach to Unravel Keloid Pathogenesis and Optimize Therapeutic Outcomes
A holistic approach combining lifestyle changes, stress management, exercise, and herbal medicine can effectively treat and prevent keloids.
-
Hair Aging Revisited: An Expert Delphi Consensus on Pathogenesis, Clinical Features, and Future Therapies
Experts agree on understanding hair aging to improve diagnosis and treatments.
-
The Remarkable Legacy of the K6/ODC Mouse: Mechanisms of Polyamine-Promoted Tumorigenesis Revealed
Polyamines are crucial for skin tumor development, and inhibiting them can prevent tumors.
-
Nanotechnological Reprogramming of the Pathological Skin Microenvironment in Scar Formation and Atopic Dermatitis
Nanotechnology could improve treatment for scars and atopic dermatitis by targeting skin issues more effectively.
-
Cutaneous Manifestations of COVID-19 and Vaccines for Its Prevention: A Review of the Existing Literature
COVID-19 and its vaccines can cause various skin issues due to viral effects, immune responses, and stress.
-
Whole Transcriptome Sequencing of Different Hair Types in Inner Mongolian Cashmere Goats
Hair type differences in cashmere goats are linked to keratin and cytoskeletal organization.
-
Hair Boost Serum UK for Hair Growth, Thickness & Hair Fall Control
The serum promotes thicker, stronger, and healthier hair.
-
The Association Between Low Circulating Insulin-Like Growth Factor-1 and Insulin-Like Growth Factor Binding Protein-3 With Hair Loss in Women: A Case-Control Study in Basrah, Iraq
Women with hair loss had lower IGF-1 levels.
-
Preparation And Evaluation Of Poly Herbal Hair Oil Using Linum Usitatissimum
The polyherbal hair oil with flaxseed promotes hair growth and health.