Efficacy of Propecia (Finasteride) and time before seeing its effect on hair loss

How long does it take before judging the efficacy of Propecia (Finasteride) on hair loss?
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It is very important to be patient when you use Finasteride. Indeed, its action is often delayed in time and, moreover, it is often discreet. You generally have to wait a few weeks before observing a slowdown in hair loss (between 5 and 6 months). The action is all the more difficult to observe as the average hair loss amounts to one hundred hairs per day. Very often, the action of Finasteride is observed a contrario, that is to say when the patient stops using it: at that moment, a larger hair loss than the initial one occurs.

For more details, see our page dedicated to Finasteride/Propecia.