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    Glossary Half Maximal Effective Concentration

    concentration needed for 50% of maximum drug effect

    The Half Maximal Effective Concentration, often abbreviated as EC50, is a measure used in pharmacology to indicate the concentration of a drug or substance required to achieve half of its maximum effect. This value helps researchers understand the potency of a compound, with a lower EC50 indicating a more potent substance.

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    1. Half a year on Oral Fin and Oral Min Reddit · 25 Aug 2026
    2. Why do we take dutasteride every single day when its half-life is 3-5 weeks? Reddit · 24 Apr 2026
    3. Half year update on crown balding reversal Reddit · 13 Dec 2025
    4. Dutasteride actually has different half lives depending on dose Reddit · 25 Jan 2025
    5. Dutasteride half life - conflicting information Reddit · 4 Mar 2024
    6. 4 and a half months - Progress Reddit · 19 Apr 2026
    7. 2 months and a half of treatment Reddit · 19 Apr 2026
    8. Three and a half months on fin, min and dermastamp Reddit · 30 Mar 2026
    9. 3 and half years - Fin, Min — and some micro needling Reddit · 9 Mar 2026
    10. 2 and a half months of 1mg fin daily oral and 5% topical Kirkland minoxidil daily. Reddit · 6 Mar 2026
    11. Two and a half years on minoxidil and coming up to two years on finasteride. Hairline has only improved a bit but thickness/density is much better. I was pretty old when I started so I'm pleasantly surprised! Reddit · 1 Mar 2026
    12. Month 8 and half on oral fin/min Reddit · 19 Jan 2026
    13. I used half a can of Minoxidil foam just now, am I gonna die? Community · 19 Jul 2025
    14. 4 months and a half 1 mg Fin 1x Minoxidil % 3x a week Ketoconazol 2%. Do you see any difference? Reddit · 27 Jun 2025
    15. 6 months and a half on topical min and fin Reddit · 21 May 2025
    16. 4 and half month Finasteride, 2 months Minoxidil (oral) Reddit · 8 May 2025
    17. A month and a half of Fin/Min/Biotin Reddit · 10 Mar 2025
    18. 1 month and half, finasteride only. Reddit · 10 Mar 2025
    19. 2 months and a half on min + fin Reddit · 23 Feb 2025
    20. 3 months and a half on topicals Reddit · 14 Feb 2025
    21. A month and a half on min 5% twice daily Norwood 7 progress Reddit · 31 Jan 2025
    22. 3 months and half month on fin/min Reddit · 13 Jan 2025
    23. 5 months and a half in topical minoxidil 5% everynight, 3 months of multivitamins + zinc (conzace), and almost 2 weeks or 2 weeks of triamcinolone (to determine if alopecia areata) 17M Reddit · 8 Jan 2025
    24. 3 and a half month progress pic Reddit · 19 Nov 2024
    25. One and a half year on meds (fin/dut, minox) Reddit · 19 Oct 2024
    26. 2 months and a half topical minoxidil and multivitamins + zinc Reddit · 18 Oct 2024
    27. 1 and half years using Finasteride, minoxidil and Dermarolling. Reddit · 6 Oct 2024
    28. 3 Months and a half, Dutasteride 0.5 mg Minoxidil 5 % Microneedling. Before/After Reddit · 5 Oct 2024
    29. One and half year after the hair transplant Community · 25 Jul 2024
    30. 1 and a half years on fin - hair is way worse. Reddit · 24 Apr 2023