Measuring Reversal of Hair Miniaturization in Androgenetic Alopecia by Follicular Counts in Horizontal Sections of Serial Scalp Biopsies: Results of Finasteride 1mg Treatment of Men and Postmenopausal Women

    David A. Whiting, Joanne Waldstreicher, Matilde Sanchex, Keith D. Kaufman
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    TLDR Finasteride 1mg helps reverse hair miniaturization in men and postmenopausal women.
    This document summarizes various studies on the effectiveness of finasteride 1mg in treating androgenetic alopecia in men and postmenopausal women. The studies used scalp biopsies to measure the reversal of hair miniaturization and found that finasteride 1mg treatment can increase terminal hair counts and decrease vellus or miniaturized hair counts, indicating a reversal of hair miniaturization. The studies suggest that follicular counts in horizontal sections of scalp biopsies are a useful tool for monitoring the effects of treatment in androgenetic alopecia.
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