The therapeutic effect of the enzyme inhibitors on the treatment of androgenetic alopecia ( male pattern hair loss ) such as finasteride, is proven. in this study, serial measurements of hair count and terminal hair increase showed that increasing in total hair count and terminal hair regrowth in both treatment groups was significant. The total hair in both groups demonstrated significant regrowth differences between first referral and 6 months after treatment, this indicates the therapeutic efficacy of both drugs in hair loss. The regrowth of terminal hairs in finasteride gel group was always more than the finasteride tablet group, until third month of therapy. However, hair regrowth was similar in both groups during the fourth month of treatment. At 5 th and 6 th months, the terminal hair counts were more in the group who were receiving tablets, thus explaining the efficacy of the tablet during treatment….”

edited for hair loss and hair regrowth and hai rloss treatment blog