It’s also important to understand what each guard number represents: Most simply put, whatever its number is, corresponds to how many eighths of an inch it is. So, a #1 buzz is 1/8 of an inch.

The induction buzz is the shortest you can get, and leaves just 1.5 mm of hair all across your head. It’s best on guys with dark hair, so that you can still see the definition of stubble.