How Often Should You Change Your Razor Blade
For a double edge safety razor, most wet shavers change the blade every 5 to 7 shaves. That is the working range, not a rule. The honest answer is that you change it when it stops feeling sharp, not when a calendar tells you to.
Blade life depends on your beard, your prep, and the blade brand far more than on any fixed number.
The signs a blade is done
A fresh double edge blade glides. A dull one tugs, skips, and leaves patches that need a second pass. You might feel more irritation or notice small nicks that were not happening before.
A pulling sensation is the clearest tell. If the blade drags across your neck instead of slicing cleanly, its edge has rolled and it is time to swap it.
What changes blade life
Coarse, dense beards blunt an edge faster than fine stubble. Shaving every day wears a blade quicker than shaving twice a week, simply because of total cutting.
Prep matters too. Softening your beard with warm water and a good lather lets the blade cut with less resistance, which stretches its life. Skipping prep dulls blades fast and raises your irritation risk. Our notes on how to prevent razor burn cover that link in detail.
Brand matters as well. A sharp Japanese blade and a milder budget blade will not last the same number of shaves. The breakdown in how long a double edge blade lasts compares real-world ranges, and if you are still hunting for a favorite, the best double edge razor blades is a good place to start sampling.
Cartridge and disposable razors
Cartridges are different. Because they cost more per unit, people stretch them, but the same logic applies. Once a cartridge tugs or the lubrication strip has worn away, usually after 5 to 10 shaves, replace it. Rinsing well and drying the head after each shave slows corrosion and buys you a few extra uses.
The cheap insurance rule
Double edge blades cost cents each. There is no reason to push a tired blade and risk a rough shave. When in doubt, load a fresh one. Your face will tell you within one pass whether the old blade was overdue.