In theory, November is dedicated to men growing mustaches for a good cause. In actuality, the month is a celebration of the beard, as many men don’t grow one without the other. It’s also the time of year when guys who have never explored their facial-hair options get brave. A four-week commitment—how hard could that be? Hard, perhaps not, but a challenge nonetheless: The average guy has somewhere between 10,000 and 20,000 hair follicles on his face—and once they start sprouting, keeping them tidy takes a little planning. Here, everything you need to know for your inaugural shave-free adventure.