Repeat after me: Beard trimmers and hair clippers can’t be used interchangeably. Many beard trimmers will cut too close to the head, leaving little room to “go shorter,” explains barber Mike Sposito.

Do you sport a mustache or beard? Maintaining facial hair can be a full-time job, and skipping a day or two could make you look less like Pedro Pascal and more like a crazy gold prospector. The $113 ...