Harry’s Blades: Cost Per Shave Against the Alternatives
Harry’s razor blades cost roughly 8 to 16 cents per shave at street price, against under 2 cents for a double-edge blade that shaves most faces just as close. Cartridges are good at what they do. The math is the part that should make you pause, and the full spending picture is laid out in wet shaving cost breakdown after the starter kit.
The cost per shave, run honestly
An 8-pack of Harry’s cartridges sells for around $18 at street price, so call it $2.25 per cartridge. Most shavers get two to four weeks out of one with daily use, which lands the per-shave cost between 8 and 16 cents. A 100-pack of Astra double-edge blades runs about $10, each blade holds up for around a week, and the per-shave figure comes out under 2 cents. Across a year, the gap buys a decent razor and a hundred spare blades.
What cartridges do well
Five blades behind a lubricating strip forgive bad angle and rushed technique, and they clog less with short stubble than a single edge does. If you shave fast, in the shower, or only with carry-on luggage, the format earns part of its premium: airport security confiscates loose double-edge blades in carry-ons, while cartridges pass. Cartridges also forgive the angle mistakes that a sharp single blade punishes, which is why the first week of a switch draws blood for so many people.
Where the savings argument fails
Double-edge shaving has a real cost too, paid in nicks and time rather than dollars. Shaving your head with a single edge over scalp contours takes practice most people never want; cartridges win that job outright. Shavers with genuinely coarse, fast-growing stubble sometimes find a week per blade optimistic, which doubles the supposed cheap-shave figure. And blade preference is personal enough that one brand’s champion is another’s rash, so before committing, work through a blade sampler pack rather than a 100-pack of anything.
Verdict
If you enjoy the shave and want the cheapest acceptable result, switch to a double edge and sample blades across formats until one fits. If shaving is a chore you finish in four minutes, Harry’s refills are a fair product with an unfair price per shave, and the honest move is buying the largest refill pack on sale.