How To Sharpen Rotary Razor Blades

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As the world evolves, even technology has somehow advanced and this why most many today are no-longer using manual-razors to shave but instead they opted to using electric-shavers because they offer a more efficient, effective and comfortable way of shaving. However, one of the most attractive features on a rotary electric-shaver is that you don’t have to replace the shaving-blades more often as a manual-razor. But after several uses, the shaving-blades will become dull and will not cut hair as well as they used to do. This means that you will have to buy a replacement set of rotary blades if you have the money but you can also use a sharpener to extend the blade life in case you are not ready to purchase a replacement set. In fact, rotary razor sharpeners are readily available at most stores so that you can easily access them in case you need them. In conclusion, I’m going to list for you 2 major methods that you can use to sharpen your rotary shaver and you can actually go with a method that works best for you.



  • Start by detaching the shaving-head: begin by gently detaching the shaving-head from the rest of the body. This is simply done by pressing a button that is meant to release the shaving-head. However, if you don’t know the button to press in order to release the shaving-head, then try to read through the shaver’s manual in order to know the actual process to follow when detaching the head of that specific shaver.
  • Clean the shaving-head: try to clean the head of the razor using a small cleaning-brush that comes with it. In case the shaver did not come with a cleaning-brush, then use an old toothbrush. Cleaning the shaving-head will actually help to remove all the hair that was caught inside.
  • Remove the 3-individual rotary blades: carefully remove each of the 3 individual rotary blades from the shaving-head casing. Do this with the help of a small Philips-head screwdriver or a flat-head screwdriver in order to remove the plate in case there is one holding the blades into place.
  • Remove the shaving-screen: gently remove the shaving-screen from each individual blade and then replace it with sharpening-heads included in the sharpener-kit. Replace the blades into the shaving-head assembly and then reattach this head onto the body of the shaver.
  • Switch on the electric-shaver: turn-on the electric-shaver and let it run for about 5 to 10 seconds. After, switch-off this shaver and remove the shaving-head from the shaver’s body.
  • Lastly, you can repeat the sharpening process until you reach the blade sharpness you want but always remember to replace the sharpening-heads with the original shaving-screen in order to prepare your shaver for next usage.




Back in the old days when men were still using safety, steel became scarce and people started sharpening their safety-razor blades on a sheet of glass. Surprisingly, this method sharpening blades also works great when it comes to sharpening rotary shavers like the Philips Norelco electric-shavers. Below are some of the steps that you can follow when sharpening shaving-heads on a flat piece of glass.

  • Begin by removing the shaving-head: start by gently taking off the shaving-head and then brush out any hairs with a cleaning-brush but don’t use water because it may damage the internal components of the shaver.
  • Remove the cutters form the shaving-head: carefully rotate the center-wheel in order to release the cutters so as to remove them from the shaving-head housing. This can be a little bit technical but you can get used to it after sometime.
  • Clean the shaving-head housing and cutters: this involves using a brush together with running tap-water in order to clean the shaving-head housing and the cutters. Try to close-down the draining channel in the sink in order to prevent any smaller components from dropping down the drain during the cleaning process. In fact, try to individually slide out each cutter for cleaning until you finish cleaning all of them.
  • Separate the cutters from the shield screen: try to separate each cutter from its shield-screen and then clean these components again using a cleaning-brush coupled with running water. This will help to remove the junk that gets trapped in the cutters and shield screen.
  • Sharpen the blades on glass: begin by placing the blade-cutter onto the glass. Spit on the glass and then place your finger on top of the cutter while using light pressure. Slide the cutter into the spitted area and then begin rotating it in a figure-8 form. Continue with this figure-8 motion for about 50 to 100 times but towards the end try to be gentler with less pressure. Try to always keep the glass wet by using either water of saliva-spit but spit works best because of its lubricating quality.
  • Replace the cutter blades: dry the cutters using a dry-cloth or tissue and then replace these cutters into their shield-screens. However, don’t remove all the cutters at once because it is not a good idea to mix them up. Afterwards, reassemble the shaving-head on the shaver’s body and you enjoy a great shave.



All in all, rotary electric-shavers are great shavers that can provide the user with the closest and most comfortable shave. In fact, some people don’t actually know that these electric-shavers can be sharpened and this article is specifically developed for such people. On the other hand, in case you notice that the shaving-heads are not performing as expected even after sharpening them using any of the listed methods above, then just purchase a new shaving-head in order to restore the shaver’s performance. However, the good thing about electric-shavers is that their shaving-heads can be replaced after a longer period of time compared to manual razor. As conclude, I would like to caution anyone who wants to use anyone who wishes to sharpen a rotary shaver to be very careful during the sharpening process because the shaver’s cutters are very sharp and can easily cut your fingers while disassembling or assembling the shaving-head.

Vanilla Farmer, Amazon Retailer & Tech Researcher. Yosaki is my personal blog but I'm working on some big tech project back doors. I will keep on posting various topics on things I have knowledge about.

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