The razor industry is known for following a particular marketing strategy where they make loss on the device but make money on the refills and cartridges. This is the reasons why we see razors costing less whereas their cartridges costing more.
While many companies like Gillette state that it can take anywhere from 5 – 10 shaves before you should swap out your razor, others sites like GroomingLounge.com state that it can be as often as 3 – 4 uses.
There’s no set time frame that dictates how often one should replace the blade of the razor because many different factors affect how long it will last. It really depends on how often you shave, how large of an area you’re shaving and how thick your hair is.
A razor blade should glide across your skin, especially when you’re going with the grain of your hair. If your razor feels like it’s pulling, that probably means it’s dull and should be replaced .
The key to switching out your blade less frequently is simply taking good care of it.Make sure you rinse the blade with hot water after every use to get rid of any hairs or shaving cream in the blade. Once it’s clean, let it air dry to prevent it from rusting.
The basic fact is that razor blade dullness stems more from oxidation, rusting than from the usage. Corrosion causes the metal of the blades to rust thus making its edges blunt and jagged. This results in pulling and tugging of hair. If you ever find rust on your blade, you should replace it immediately.
If you shave daily, your blade is obviously going to wear out much more quickly due to use. However, blades that hang out for long periods of time in the shower are more likely to rust and need to be changed.
There are actually many reasons why blades must be replaced. For starters, newer blades are more likely to give cleaner shaves as oppose to duller razors. If shaving is irritating, it may be because it’s time to replace your cartridge or blade. Also, older cartridges can tend to harbor bacteria and cause bumps or possible infections.
Degraded performance prompts most people to ditch the old blade for a new one. Your best bet for your best shave is to keep track of the quality of your razor cartridge in order to ensure a healthy shave.
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There is no rule for changing your blade. It is suggested that one should change the trim guide(s) once per year, and the inner blade every two years. Everyone has their own way of deciphering when it is time to change their razor blade, but the best way to tell when to change blades is to be sensitive as to when your blade starts to feel dull.In the end it all depends on how often you shave.