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 ...

This helps protect you from cutting yourself while shaving. “When your hair is wet, it softens, which allows the blade to move much better — preventing any irritation,” says barber Craig ...

My beard hair is medium strength ... the claim to fame for the sixth blade was that it cut four times more long, flat-lying hairs than its five-blade predecessor, and the innovative no-handle ...

The cutting head consists of five separate parts — two OptiFoil shavers, a ProLift blade designed to lift hair, a Direct Blade designed to comb the hair in the same direction before cutting ...

There’s also a separate head for body hair and eyebrows ... while foil or ‘linear’ ones have blades that cut from left to right, and are concealed under a protective foil.