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    Glossary Placebo Group

    group receiving an inactive substance to compare treatment effects

    A Placebo Group is a set of participants in a clinical trial who receive a placebo—a substance with no therapeutic effect, often a sugar pill—rather than the active treatment being tested. This group serves as a baseline to compare the effects of the actual treatment, helping researchers determine whether the treatment's effects are due to the treatment itself or other factors. This is also known as a Control Group in many studies.

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    Community 10 of 62

    1. The Placebo Group Has It Worse Than The Standard Prescription 0.5mg Group. -The fear is all in your head. Reddit · 29 Sept 2025
    2. Reason why placebo group got regrow on trial phase 3 Reddit · 27 Aug 2024
    3. Dutasteride and TRT study indicates improvement in aging male symptoms and no difference between placebo group and dutasteride group Reddit · 4 Aug 2026
    4. Kintor stealing pictures from a hair transplant clinic to promote their failed product (KX826, Pyrilutamide) Reddit · 25 Jul 2024
    5. does dermarolling work with oral minoxidil? Reddit · 10 Jul 2024
    6. Why hasn’t anybody or any company done experiments on whether minoxidil and finasteride have effects on human collagen and elastin after a year of use compared to placebo? (In vivo not vitro) Reddit · 4 Feb 2026
    7. RCT: Rosemary-lavender oil formulation shown to stimulate hair growth when compared to placebo (2025) Reddit · 31 Dec 2025
    8. Korean Laser Helmet has a 44% increase in hair growth vs 0% growth in placebo in a double-blinded randomized controlled clinical trial. Reddit · 5 Oct 2025
    9. Am I getting results or is this just a placebo? Reddit · 1 Sept 2025
    10. Any bludfluw or placebo supplements to slow down graying? Reddit · 14 May 2024
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    Research 10 of 1000+

    1. The Effects of Lower vs Higher Cell Number of Platelet-Rich Plasma (PRP) on Hair Density and Diameter in Androgenetic Alopecia (AGA): A Randomized, Double-Blinded, Placebo, Parallel-Group Half-Scalp IRB-Approved Study. Aesthetic Surgery Journal · 2021 · 6 citations
    2. A randomized, placebo- and active-controlled, parallel-group, multicenter, investigator-blinded study of four treatment regimens of posaconazole in adults with toenail onychomycosis Journal of The American Academy of Dermatology · 2010
    3. Efficacy and safety of oral spironolactone for female pattern hair loss in premenopausal women: a randomized, double-blind, placebo-controlled, parallel-group pilot study International Journal of Women’s Dermatology · 2025
    4. Efficacy and Safety of Low-Dose (0.2 mg) Dutasteride for Male Androgenic Alopecia: A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Phase III Clinical Trial Annals of Dermatology · 2025
    5. Efficacy of Quadruple-coated Probiotics in Patients With Irritable Bowel Syndrome: A Randomized, Double-blind, Placebo-controlled, Parallel-group Study Journal of neurogastroenterology and motility · 2024
    6. Effect of applying <i>Lactiplantibacillus plantarum</i> subsp. <i>plantarum</i> N793 to the scalps of men and women with thinning hair: a randomized, double-blind, placebo-controlled, parallel-group study BMFH · 2024
    7. Correction to: The Effects of Lower vs Higher Cell Number of Platelet-Rich Plasma (PRP) on Hair Density and Diameter in Androgenetic Alopecia (AGA): A Randomized, Double-Blinded, Placebo, Parallel-Group Half-Scalp IRB-Approved Study Aesthetic Surgery Journal · 2022 · 1 citations
    8. 724 - A phase 2b, randomized, double-blinded, parallel-group, placebo-controlled study to evaluate the efficacy and safety of rezpegaldesleukin in adults with severe to very-severe alopecia areata British Journal of Dermatology · 2024
    9. Commentary on: The Effects of Lower vs Higher Cell Number of Platelet-Rich Plasma (PRP) in Hair Density and Diameter in Androgenetic Alopecia (AGA): A Randomized, Double-Blinded, Placebo, Parallel-Group Half-Scalp IRB Study Aesthetic Surgery Journal · 2021
    10. Craniometric Ancestry Proportions among Groups Considered Hispanic: Genetic Biological Variation, Sex-Biased Asymmetry, and Forensic Applications Journal of the American Academy of Dermatology · 2014 · 2 citations
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    Learn 10 of 22

    1. Alfatradiol Weak form of estrogen applied to the scalp
    2. Hair Multiplication extract, clone, and reinsert your own hair cells
    3. Pyrilutamide Experimental topical anti-androgen, also known as KX-826
    4. Melatonin Hormone that regulates sleep, sold as a supplement
    5. Estradiol Estrogen hormone, prescribed in tablet, patch and gel forms
    6. Azelaic Acid Acid used in acne and rosacea creams
    7. Dexpanthenol Provitamin B5, a moisturiser in hair and skin products
    8. Rosemary Herb whose oil is used in hair care
    9. GT20029 Experimental topical drug designed to break down androgen receptors
    10. Neem Oil Oil from the neem tree, used in traditional remedies
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