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GlossaryGlobal Photographic Assessment

standardized method to evaluate hair changes using comparative photos

Global Photographic Assessment (GPA) is a standardized method used to evaluate hair growth and hair loss by comparing photographs taken at different times. This technique allows both patients and healthcare professionals to visually track changes in hair density and scalp coverage, providing a clear and objective measure of treatment effectiveness or disease progression.

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research Reliability and Validity of a Photographic Method for Measuring Facial Hair Density in Men

4 citations , November 2011 in “Archives of Dermatology”

The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.

Improving the Efficacy of Anti-Hair Loss Drug Treatments With a Cosmetic Lotion Containing Caffeine, Taurine and Growth Factors

research Improving the efficacy of anti-hair loss drugs treatments with a cosmetic lotion containing caffeine, taurine and growth factors

July 2022 in “http://isrctn.com/”

Adding a cosmetic gel with caffeine, taurine, and growth factors to standard hair loss treatments could improve results.

research Efficacy and Tolerability of a Topical Gel Containing Mimicking Growth Factors Oligopeptides, Caffeine, Taurine and an Iron-Chelating Complex in Subjects with Androgenetic Alopecia Treated with Topical Minoxidil or Oral Finasteride: a Prospective, 6-Month, Randomized, Assessor-Blinded, 4-Arm, Parallel Group Study

December 2022 in “Clinical and experimental dermatology and therapies”

Adding the topical gel improved hair growth more than using minoxidil or finasteride alone.

Comparing Minoxidil-Finasteride Mixed Solution With Minoxidil Solution Alone for Male Androgenetic Alopecia: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

research Comparing minoxidil-finasteride mixed solution with minoxidil solution alone for male androgenetic alopecia: a systematic review and meta-analysis of randomized controlled trials

October 2025 in “Frontiers in Medicine”

The minoxidil-finasteride combination is more effective for hair growth than minoxidil alone.

Evaluation of the Efficacy of a Biomimetic Peptide Solution for Rejuvenation of Donor Scalp and as Storage Media for Hair Follicle Grafts During FUE Hair Transplantation

research Evaluation of the efficacy of a biomimetic peptide solution for rejuvenation of donor scalp and as storage media for hair follicle grafts during FUE hair transplantation

April 2025 in “Journal of Cosmetic and Laser Therapy”

QR678 Neo® improves hair transplant success and hair regrowth.

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community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

in Research 830 upvotes 2 years ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

community Hair greed made me switch to Dut too early

in Chat 42 upvotes 1 year ago

The user switched from finasteride to dutasteride for hair loss but faced increased shedding and anxiety, regretting not staying with finasteride longer. Other users shared mixed experiences, advising patience with dutasteride, as it may take up to a year to show results.

community 2020 Hair and Scalp Treatments: A Clinical Guide (in Depth 350 Page Guide)

in Treatment 65 upvotes 6 years ago

Treatments for hair loss, including topical immunotherapy, regenerative treatments, laser and light-based therapies, oral supplements, intralesional steroids, and new drugs like finasteride and minoxidil.

community Why does it seem everyone favors finasteride over dutasteride?

in Female 62 upvotes 2 years ago

The conversation discusses preferences for hair loss treatments, specifically finasteride over dutasteride. Users share personal experiences, cost considerations, FDA approval status, and potential side effects, with some switching between treatments to find what works best for them.

community Heads Up on Future Study: "Influence of Creatine Monohydrate Supplementation on Androgens and Global Hair Assessments"

in Research/Science 22 upvotes 5 years ago

Creatine supplementation may increase DHT levels, potentially affecting hair loss. A study is examining this effect, with participants taking 5 grams of creatine daily for six months.

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