The method includes the steps of preparing a beard or other skin area to be shaved for shaving by first applying the tips of a bristle skin brush to the skin area of the beard to clean the skin area, the brush having an outer brushhead portion and an inner brushhead portion, wherein the first portion remains stationary in operation, wherein the second brushhead portion oscillates through a selected range 18-26° at a frequency within the range of 120-220 Hz. The tips of the bristles are applied to the skin area to be shaved following or simultaneous with the wetting of the skin area with water, and then following or simultaneous with, lathering the skin area with shaving cream or gel.