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Glossary Double-Blind

neither participants nor researchers know who gets the treatment

A double-blind study is a type of scientific experiment where neither the participants nor the researchers know who is receiving the treatment and who is receiving a placebo. This method helps to eliminate bias and ensures that the results are solely due to the treatment itself, making the findings more reliable.

Related Terms

Research

5 / 1000+ results

research A placebo-controlled, double-blind crossover study of fluoxetine in trichotillomania

180 citations , November 1991 in “American Journal of Psychiatry”

This study found that fluoxetine did not demonstrate short-term efficacy in treating trichotillomania in a placebo-controlled, double-blind crossover setting.

research Double-blind, placebo-controlled evaluation of topical minoxidil in extensive alopecia areata

104 citations , March 1987 in “Journal of The American Academy of Dermatology”

Minoxidil helps hair growth in 63.6% of alopecia patients, with 27.3% having excellent results.

research Double-Blind, Placebo-Controlled Pilot Study on the Use of Platelet-Rich Plasma in Women With Female Androgenetic Alopecia

87 citations , September 2016 in “Dermatologic Surgery”

This study found that platelet-rich plasma did not significantly improve hair mass index or hair count in women with female androgenetic alopecia, though some patients perceived benefits in hair quality.

research Double-blind, randomized, placebo-controlled trial of a cream containing theStryphnodendron adstringens(Martius) Coville bark extract for suppressing terminal hair growth

9 citations , January 2009 in “Journal of the European Academy of Dermatology and Venereology”

This study found that a cream containing 6.0% Stryphnodendron adstringens bark extract effectively reduced terminal hair growth and improved skin conditions in women with excessive terminal hair.

research Topical minoxidil in alopecia areata: a double-blind trial

6 citations , July 1985 in “British Journal of Dermatology”

In this study, topical minoxidil treatment did not lead to substantial or cosmetically acceptable hair regrowth in most patients with longstanding alopecia areata.

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Community Join

5 / 672 results

community Korean Laser Helmet has a 44% increase in hair growth vs 0% growth in placebo in a double-blinded randomized controlled clinical trial.

3037 upvotes 11 months ago

A Korean laser helmet increases hair growth by 44% compared to a placebo. Users discuss its cost-effectiveness, clinical support, and compare it to treatments like finasteride and minoxidil, focusing on wavelength and energy density.

community Pumkin Seed Oil 400mg/day oral, 6 month Randomized, Double-Blind, Placebo-Controlled Trial (N=76)

4 upvotes 3 years ago

Pumpkin seed oil may increase hair count but not thickness, though its effectiveness is debated. Some suggest using topical finasteride or saw palmetto instead.

community Finasteride doubled my testosterone & estrogen

in Chat 265 upvotes 10 months ago

Finasteride increased testosterone and estrogen, stopped hair loss, and promoted regrowth. Users discussed side effects like libido changes and considered adding minoxidil and aromatase inhibitors.

community PSA: Stop overpaying for your Fin/Dut and get your meds for $20/year.

in Finasteride/Dutasteride 234 upvotes 2 years ago

Finasteride and Dutasteride can be obtained cheaply through Amazon One Medical with an Rx Pass subscription for $20/year. Users discuss various options and costs for hair loss treatments, including Blink Health and Mark Cuban's pharmacy.

community Eirion Therapeutics Announces Potential Breakthrough Treatment for Hair Loss Based on First-in-Man Clinical Trial Results

in Update 415 upvotes 1 year ago

ET-02, a new hair loss treatment, shows promising results with a 6-fold increase in hair count, potentially outperforming minoxidil by activating stem cells in hair follicles. Further trials are ongoing to confirm its efficacy and safety, with potential market release in the future.

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Learn

6 / 801 results

learn Fluridil

How long does it take to see results with Fluridil in progressive hair loss? No published study measures how long fluridil takes to show a visible change; the single double-blind trial (43 men, 2% fluridil) reported a rise in the proportion of hairs in the growth phase at three and nine months, and community reports describe stabilization rather than regrowth.
Can daily Fluridil application stop hair follicle miniaturization? The single published fluridil trial (43 men, 9 months, double-blind and placebo-controlled) reported more hairs in the growth phase, but it never measured follicle diameter and has not been replicated — so whether daily use stops miniaturization is unproven, and community users describe stabilization rather than regrowth.

learn Follistatin

glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

learn Overview

learn Procyanidin

bioflavonoid found in plants with antioxidant and hair stimulating properties

learn Melatonin

hormone commonly taken for sleep aid has some topical benefits for hair

learn sh-Polypeptide-7

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Clinics

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