Yes. Propecia is different from Proscar. Propecia is a prescription drug that can be prescribed by your general physician, dermatologist or by Dr. Epstein or another hair doctor. It helps slow down the progression of hair loss in most patients, particularly in the back half of the head, the crown and the mid-scalp and for some patients in the frontal part of the scalp as well. Proscar is a generic form of a similar drug but it comes in a much larger form, 5 mg instead of 1 mg. Some patients, although not necessarily on the advice of Dr.