Probably, once or twice, in your first few weeks — and almost always in the same four places on your face. Here is the map, what is actually bleeding, and what to do in the ten seconds after.

No. But the first attempt goes better once you know what you're really doing, and it isn't learning a new skill. It's dropping an old one. A cartridge razor taught your hand to press. Everything below is how to stop.

Most men land somewhere between three and eight shaves. The American Academy of Dermatology says five to seven. But that number isn't a property of the blade — it's a property of your beard, your prep and your razor. Here's how to find yours in about two weeks.

Over five years, a cartridge habit costs somewhere between $136 and $514. A safety razor costs between $101 and $320. The ranges overlap, and the reason is the same on both sides: nobody agrees on how many shaves one blade is worth.

The first week with a safety razor isn't about nerve, and it isn't about the blade. It's about one number: roughly 30 degrees. On a standard razor you spend seven days finding it and holding it. On a fixed-angle razor there's nothing to find.

Razor burn is skin damage — it shows up minutes after shaving and fades within days. Razor bumps are hairs that re-entered your skin, and they arrive a day or two later and last weeks. An ingrown hair is one instance of that. The clock tells you which you have.

Any double edge blade fits any double edge razor. What changes between brands is the grind and the coating — and a blade doesn't go blunt, it chips. Here is what that means for choosing one, and which ones we ship.