Ideally, it is advised to continue losing Finasteride until a year after the surgery. Various research has proven that this process is vital in supporting the newly transplanted hair post-surgery and preventing further hair loss. However, numerous patients keep using Finasteride even longer than a year with their doctor’s supervision as its benefits are too great to ignore. If you wish to continue benefiting from Finasteride, you must be ready to continually use it for the long term as it is not a one-time drug, and its effect will vanish if you stop using it.