Single Blade vs 5 Blade Razor: How Many Blades Do You Actually Need?

A single blade razor uses one exposed edge. A 5 blade razor stacks five thin blades in a pivoting cartridge. Both can give you a good shave, and both have people who swear by them. We make a five-blade cartridge, so we have an obvious view, but this is an honest look at how each one works, who each one suits, and why we chose five blades with a roller rather than one.

Punti chiave

• There is no magic number of blades. A sharp blade, a proper shaving cream and light pressure matter more than whether you have one blade or five.
• A single blade razor cuts each hair once per stroke. It needs more care with angle and pressure, and it takes longer to learn, but plenty of men enjoy the slower routine.
• A 5 blade razor spreads the work across several edges in a pivoting head, so it is quicker and more forgiving, especially on the jaw and neck.
• If you get a lot of razor bumps from tightly curled hair, how you shave matters most: with the grain, fewer passes, no pressure.
• For most people shaving several times a week, a sharp five-blade cartridge is the easiest way to a close, comfortable shave.

What is a single blade razor?

A single blade razor, also called a one blade razor or 1 blade razor, cuts with one edge instead of a stack of them. There are a few kinds:

• Traditional single blade razors with a metal handle and head that holds one replaceable blade. They have no pivot, so you set the angle yourself.
• Single blade disposables, the cheap plastic ones sold in multipacks, often used for quick jobs or travel.
• Cut-throat razors, a long open blade that folds into its handle, mostly used by barbers.

What they share is a simple design: one edge, very little between it and your skin, and nothing to clog. The traditional metal ones are built to last for years, the replacement blades cost far less each than a cartridge, and with no plastic head to throw away there is less waste.

The trade-off is control. A single blade can be very precise, but with no pivoting razor head, you are responsible for holding a shallow angle against your skin on every stroke, around the chin, under the nose and over the Adam’s apple. Get it slightly wrong and the blade either skips or bites. Most people take a few weeks to get comfortable, and a few nicks along the way are normal.

What is a 5 blade razor?

A 5 blade razor is a cartridge with five thin blades set close together in a head that pivots on the handle. When the blades go dull you swap the cartridge, so you never handle a loose blade.

The idea behind multiple blades is that the work is shared. Each blade takes off a little, so a single stroke cuts more hair with less pressure, and you go over the same patch of skin fewer times. The pivot lets the head slide over the curves of your jaw and neck, so the angle stays about right without you thinking about it, and the weight of the handle does most of the work.

Most 5 blade razors have a lubricating strip at the front or back. Ours is a little different: it has a roller on the leading edge. As the head moves, the roller rolls over the shaving cream instead of pushing it out of the way, so more of the cream stays between the blades and your skin. That is the bit that makes for a smooth shave rather than a scratchy one.

Single blade vs multi blade razor at a glance

Here is how the two compare on the things that usually decide it. Each one wins somewhere.

Neither one is better across the board. A single blade razor rewards patience and technique. A 5 blade razor rewards a busy morning.

How many blades should a razor have?

There is no correct answer, and anyone who tells you more blades always means a better shave is selling something. Here is what actually changes with the number of blades.

More blades means less work per blade. With five edges sharing the job, each one cuts a little, and you need less pressure to get a close shave. Pressing hard is one of the quickest ways to irritate the skin, so that matters.

More blades means fewer passes. A single blade often needs a second or third pass for a really close finish. A five-blade head gets most of the way there in one. Each extra pass scrapes the skin again, so fewer passes can mean less redness.^[1]

More blades means more edge touching your skin per stroke. That is the argument for a single blade. If your skin is very reactive, one edge in one pass is less contact. It only works out gentler, though, if you get the angle right and do not go over the same spot again and again.

More blades can clog. Hair and cream build up between closely spaced blades, so a cartridge needs rinsing every few strokes. A single blade almost never clogs.

In practice, a sharp five-blade cartridge used with light pressure and a good shaving cream is gentle on most skin. A blunt one, with any number of blades, is not. Our guide to con quale frequenza cambiare il rasoio has the signs to watch for.

Comfort, razor bumps and sensitive skin

This is usually the real reason people ask about blade numbers. If your face is red and sore after every shave, it is tempting to blame the razor.

One theory is that multi-blade cartridges cut the hair slightly below the surface, because the first blade tugs the hair up and the next ones cut it before it settles back. For most men that just means a closer shave. For men with tightly curled hair, a hair cut so short that it slips below the surface is more likely to grow back into the skin, which is how razor bumps start.^[2] That is why some men with very curly beards report fewer bumps with a single blade razor.

Before you switch razors, though, check how you shave. Most bumps and irritation come from the same few habits, whatever razor you use:

• Una lama smussata. It drags, so you press harder and go over the same spot again.
• Radersi contro il senso del pelo. It can cut the hair too short.^[2] Il nostro post su Perché non dovresti raderti contro il senso di crescita dei peli spiega il perché.
• Not enough shaving cream. Without a proper lather, the blade scrapes rather than glides. A shaving brush works the cream into the stubble and lifts the hairs.
• Troppi passaggi. Stop when it is smooth enough, not when it is glass smooth.

Fix those first with the razor you have. If you still get bumps, our guide to irritazioni da rasatura goes into causes and treatment in more detail.

Closeness and speed

A single blade razor can give a very close shave in practised hands, because the user controls every stroke. It is slower, though, and the result depends on the day and the technique. A rushed shave with a single blade on a Monday morning is where most nicks happen.

A 5 blade razor gives a close shave more consistently, because the head holds the angle for you. On one or two days of stubble, one pass with the grain is usually enough. On longer growth, trim it down first, and make sure the blades are fresh, because a dull cartridge tugs on thick stubble.

If speed and convenience are what matter most to you, it is also worth reading our comparison of an electric shaver vs a wet shave.

Cost and convenience

The blade is where the money goes. Replacement blades for a traditional single blade razor cost very little each, but a good metal handle costs more upfront, and you need to buy, change and dispose of loose blades safely. Cartridges cost more each, but the handle is cheap or included, and changing one takes a second.

Cartridges get expensive when you buy them in small packs from a shop. Our post on why razor cartridges cost so much goes into the reasons. Our five-blade refills cost:

The Classic starts at £10 for the handle and your first refills, and the VIP at £25 with a stainless steel handle and a travel tin. Both are delivered free in the UK on a subscription, on the schedule you choose. Our refills only fit our own handles.

One practical point: if you fly, loose razor blades are not allowed in hand luggage in the UK, but cartridge razors are. Our guide on portare un rasoio in aereo has the details.

Dalla libreria del colonnello

Five blades and a roller, posted to you

Una lama affilata, sempre Classico Five blades and a precision trimmer in a pivoting head, with a roller on the leading edge that keeps the cream where the blades need it. Fresh refills arrive on the schedule you pick. 10 sterline per iniziare, poi 4 ricariche a 10 sterline o 8 a 17,50 sterline Inizia con il classico Prezzo più basso per ricarica VIP A weighty stainless steel handle and a travel tin, for anyone who likes the feel of a metal razor. The same five-blade refills at our lowest price: £1.75 a refill in an 8-pack. 25 sterline per iniziare, poi 4 ricariche a 8 sterline o 8 a 14 sterline Vedi il VIP

Ogni primo ordine della linea Classic o VIP prevede una garanzia di rimborso di 30 giorni. Provalo per un mese e, se non fa al caso tuo, ti rimborseremo l'intero importo senza che tu debba restituire nulla.

Why we chose five blades and a roller

We designed our razor to give the most people a clean, close shave with the least fuss. Five blades with a pivoting head means a close shave in fewer passes, with light pressure, on a busy morning. A precision trimmer on the back handles sideburns, the edge of a beard and the awkward spot under the nose. The roller on the leading edge was the part we cared about most: it keeps the shaving cream where the blades need it, so the shave stays smooth from the first stroke to the last.

A single blade razor is a fine choice for someone who enjoys the slower routine and is happy to learn the technique, and we respect that. For most people who shave several times a week and want it done well and quickly, we think five blades and a roller is the better tool.

Which one suits your skin?

• Normal or mildly sensitive skin: a sharp 5 blade razor, a proper shaving cream, light pressure and shaving with the grain. This suits most people.
• Sensitive, reactive skin: the same, with a cream made for sensitive skin, one pass with the grain, and a fresh blade as soon as the old one drags.
• Very curly hair that is prone to razor bumps: shave with the grain, never stretch the skin hard, stop after one or two passes, and leave a little stubble if you can.^[2][3] Our razor is a good first thing to try here. The roller on the leading edge keeps shaving cream between the blades and your skin, five blades share the work so you need only light pressure, and fresh refills arrive before the old one starts to drag. Pair it with our Crema da barba sensibile, and your first Classic or VIP order comes with 30 days money back if it does not suit you. If bumps and irritation keep getting worse despite all that, a single blade razor may be worth trying.
• You enjoy the ritual and have time: a single blade razor can be a satisfying way to shave, as long as you accept the learning curve.

Domande frequenti

Fonti

1. DermNet, Rasatura
2. Associazione britannica dei dermatologi, Pseudofollicolite (opuscolo informativo per il paziente)
3. NHS, Peli incarniti