Almost everything that goes wrong with a first safety razor shave comes from a single habit: pressing. A cartridge razor is light and its blades are dull by design, so you learn to push it into your skin to make it cut. A safety razor cuts under its own weight. Keep pushing and you will scrape yourself. Stop pushing and it is the easier tool.
Here is the whole method.
1. Soften the hair first
Hair absorbs water and gets dramatically easier to cut when it does. A full minute of warm water on the face, or shaving straight after a shower, does more for comfort than any blade or cream you can buy. Dry hair blunts an edge quickly and tugs on the way through.
Use a cream or a soap that stays wet. What you want is slip that lasts the length of a stroke, not foam that collapses.
2. Find the angle, then stop thinking about it
A safety razor cuts at roughly thirty degrees between blade and skin. You do not measure it. You find it the same way every time:
Rest the flat top of the head against your cheek, so the blade is not touching at all. Now tilt the handle away from your face, slowly, until the blade just starts to bite. That is the angle. It takes two or three shaves to stop being a conscious step.
Too shallow and the blade skates without cutting. Too steep and it scrapes.
3. Short strokes, no pressure at all
Two or three centimetres at a time. Let the weight of the razor do the work — with a heavy razor there is genuinely nothing to add. If you find yourself pressing to get a closer result, the blade is dull or the hair was not soft enough.
Go with the grain on the first pass. Your beard does not grow in one direction, so run a dry hand over your face before you start and feel where it resists. If you want closer than that, lather again and do a second pass across the grain rather than one hard pass against it. Two light passes always beat one heavy one.
Do not stretch your skin tight. Flatten it, do not pull it.
4. Dry the razor, not just your face
This is the step almost everyone skips, and it is the one that decides how long a blade lasts. An edge does not go blunt from cutting hair — a blade survives that for a week. It goes blunt from corrosion, and corrosion needs water sitting on steel.
Rinse, shake the water out, and stand the razor head-down so it drains instead of pooling. A blade that dries between shaves lasts several times longer than one left wet in a cup. That is the entire reason a stand exists.
How often to change the blade
Change it when it starts to tug, not on a schedule. Most people land somewhere between five and ten shaves — sooner with coarse hair, later if you dry the razor properly. You will feel the change before you can describe it: the razor stops gliding and starts dragging.
There is no reason to be careful about this. A double-edge blade costs around ten cents. Stretching one out to save money is the only genuinely expensive thing you can do with a safety razor.
The first week
Expect three shaves that feel slow and slightly awkward, then a shave where you stop thinking about it. Some people get a little irritation in the first week; it is almost always pressure, not the blade. Slow down and use less.
If you nick yourself, cold water and a minute of patience closes it. A styptic pencil is worth having for the first month and then you will forget you own it.
Which razor
Weight is the property that matters most for a beginner, because a heavy razor removes the temptation to press. Sharply Blade One is 160 grams of 316 stainless steel and holds the blade at thirty degrees, which is the mild end of the range — it is a forgiving razor to learn on.
Whatever you buy, the blade format is the same everywhere. Double-edge blades have been unchanged since 1904, nobody holds a patent on them, and every brand fits every razor. That is the part that makes this worth doing: you buy the tool once, and the consumable stays a commodity forever.