Double edge safety razors use old-school razor blades, ensuring a closer shave then is typically possible with a disposable razor head. There is a ledge on the razor head that touches your face, and the closeness of the razor is determined by the angle of your hand / the handle. This type of razor require a bit of initial learning and care, but becomes second-nature quickly. This is not a razor you want to quickly run over your face as you run out the door. This is a razor best paired with ritual - heating your brush, creating a strong lather, and mindfully guiding the blade over the contours of your face.