We could sit here and discuss the virtues of using a single blade razor all day long, but in fact, we've already done it. (primandprep.com)
Made of stainless steel, you'll get all of your straight edge blades razor sharp with this, so you can get back to enjoying everything else. (geekwrapped.com)
In fact, the opposite is true, as the more blades a razor has, the more irritation you will experience as a result. (primandprep.com)