Most electric razors will come with a set of blades that are designed to last for several months. However, it is always best to check the manufacturer’s recommendations on how often to change the blades.
The electric razor’s blades should be replaced every 12 to 18 months. The time frame is closer to a year if you shave frequently. The blades can become dull faster if the hair is coarse or thick.
How Often Should I Replace My Electric Razor Blades?
The answer is every 6 months or so. Unlike disposable razors that are made of thin and fragile materials that only last a few shaves, the blades of electric razors are much more solid and can last for months. 
How Long Should Electric Shaver Blades Last?
They should be replaced every so often to maintain the performance and safety of the electric razor. The electric razor’s blades should be replaced every 12 to 18 months. The time frame is closer to a year if you shave frequently. The blades can become dull faster if the hair is coarse or thick. 
How Long Should You Keep An Electric Shaver?
The foils and blades of your shaver should be changed every 18 months. You might need to replace sooner than this. It’s a good idea to look over your blades and foil every now and then to make sure you don’t end up with bigger issues. 
Do Electric Razor Blades Get Dull?
The electric razor can last a lifetime with proper care, but its blades can’t. Every time you shave, the blades become less and less sharp. The sharpening of the blades is only for a short time. 
How Often Should You Replace Electric Razor Blades?
According to the american academy of dermatologists, disposable razors should be thrown away after every five to seven shaves. If you keep your razor blades clean, they should last five to seven shaves. 
When Should You Replace Your Shaver?
You should replace your blade every 1 to 2 weeks if you shave every day. You should replace your blade every 2 to 3 weeks if you shave every other day. You should replace your blade every 4 to 6 weeks if you shave twice a week. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.