12-05-2020, 04:07 PM
#1
  • rsolovy
  • Junior Member
  • Southern California
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How often should a blade on a double edge safety razor be changed? 
Should the blade be taken out of the razor between shaves?

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 12-05-2020, 05:03 PM
#2
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The blade should be changed whenever you sense that the quality of your shave is deteriorating.  How many shaves you get from a blade will depend of the blade, your beard, and your personal preferences.  There is no right number of shaves one should get from a blade.  The fact that someone gets, for example, six shaves from a blade does not mean that you should.  It's an entirely subjective choice.  I only use blades once.

You should remove the blade between shaves.  Leaving the blade in the razor increases the likelihood of the blade rusting.

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 12-05-2020, 06:42 PM
#3
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(12-05-2020, 05:03 PM)TheLegalRazor Wrote: The blade should be changed whenever you sense that the quality of your shave is deteriorating.  How many shaves you get from a blade will depend on the blade, your beard, and your personal preferences.  There is no right number of shaves one should get from a blade.  The fact that someone gets, for example, six shaves from a blade does not mean that you should.  It's an entirely subjective choice.  I only use blades once.

You should remove the blade between shaves.  Leaving the blade in the razor increases the likelihood of the blade rusting.

Signs011
Though I am guilty of leaving my blades in the razor.

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 12-06-2020, 10:43 AM
#4
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I never take the blade out of the razor between changes. I simply shake the water out of the razor and let the assembled razor air dry. I think that taking the blade out of the razor every time only adds wear and tear to the threads, increases the risk of getting cut while handling the blade or accidentally damaging the blade's edge by handling or dropping it. I change my blade once a week and never have a significant problem with rust.

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 12-06-2020, 12:18 PM
#5
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I never remove the blade until it's time to ditch it, somewhere between 7 to 10 shaves. The blade will tell you when.

Never leave a bare blade out loose, and never leave a running chainsaw unattended. Safety first!

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 12-06-2020, 12:34 PM
#6
  • Wolf
  • Member
  • Valencia, Spain
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(12-05-2020, 05:03 PM)TheLegalRazor Wrote: The blade should be changed whenever you sense that the quality of your shave is deteriorating.  How many shaves you get from a blade will depend of the blade, your beard, and your personal preferences.  There is no right number of shaves one should get from a blade.  The fact that someone gets, for example, six shaves from a blade does not mean that you should.  It's an entirely subjective choice.  I only use blades once.

You should remove the blade between shaves.  Leaving the blade in the razor increases the likelihood of the blade rusting.

I also use only use blades once. I agree on everything else.

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 12-06-2020, 12:35 PM
#7
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The answers is yes and maybe.

When to change a blade depends on a lot of factors; most of us seems to prefer changing it before it gets dull. I changes blades weekly for Double Edged, every two week for GEM single edge, while I'll happily use an injector blade for three weeks.

If you should take it out between shaves also depends on a wide range of factors; the materials of the razor, where / it is stored between shaves, personal preferences, etc. Since I rinse my razors in very hot water, shakes them and dry them before storing them in a dry place, I leave the blade in between shaves. If I had been using carbon steel blades (as opposed to stainless steel) I would have taken them out of the razor between shaves,

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 12-06-2020, 08:05 PM
#8
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(12-05-2020, 06:42 PM)Mike Distress Wrote:
(12-05-2020, 05:03 PM)TheLegalRazor Wrote: The blade should be changed whenever you sense that the quality of your shave is deteriorating.  How many shaves you get from a blade will depend on the blade, your beard, and your personal preferences.  There is no right number of shaves one should get from a blade.  The fact that someone gets, for example, six shaves from a blade does not mean that you should.  It's an entirely subjective choice.  I only use blades once.

You should remove the blade between shaves.  Leaving the blade in the razor increases the likelihood of the blade rusting.

Signs011
Though I am guilty of leaving my blades in the razor.
I do take the razor apart and dry it and the blade thoroughly before I reassemble it. I have been currently switching blades every 3-4 shaves. I decided I would rather chuck a potentially good blade (at DE blade prices it's not financially critical to milk it, I used to) than use it until I get irritation, a mediocre shave, etc.

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 12-06-2020, 10:11 PM
#9
  • Shaun
  • Senior Member
  • St Peters, NSW, Australia
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As a boy, one of my first paid full-time jobs was in the boning and slicing room in a local abattoir. The knives were so sharp there that if they dropped onto the floor, the edge would dull. To test the sharpness, the edge would be pulled over the back of a thumbnail: if it caught, it was sharp; if it glided, it was dull.

So now before each shave, I take the blade out and use the same technique. It’s a great indicator of sharpness.

Just kidding. Apart from the abattoir bit. That’s true. It was a place of horror, I might add. 

I leave the blade in the razor and change it when I feel its time is up. I see no advantage in taking a blade out, etc.

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 12-07-2020, 03:50 AM
#10
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I have simple rule of using a blade 4 times... I use a dice to count uses and replace the blade after 4 shaves.

4 shaves is usually the minimum number of good shaves I have found i get that works for all the blades i have used.

As far as removing the blade, i do remove the blade and place it on the razor stand where my razor is designed to go. I rarely use the same razor for consecutive shaves, so I just clean out the razor with dish soap, dry it and put it back in my razor drawer. The blade is then used with a different razor on the next shave until it has completed 4 shaves.

Sent from my SM-G970U using Tapatalk

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 12-07-2020, 02:03 PM
#11
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(12-06-2020, 12:18 PM)TobyC Wrote: Never leave a bare blade out loose, and never leave a running chainsaw unattended. Safety first!

Also remember to use safety glasses Cool even while shaving.

But seriously, that is good even not to throw away bare blade. There is trick to dispose them in empty soda can put it to the garbage.

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 12-07-2020, 02:17 PM
#12
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My blades seem to last forever.

I know people can do one or two times with a blade, but mine last a month I think.
I should mention that I rotate a lot, so I might fool myself.

And I do not remove the blade between shaves.
I do clean the blade from built up soap or other debris though.

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 12-13-2020, 11:47 PM
#13
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Hey there, welcome!!

I have found from experimentation that blades do not all last the same number of shaves, but for my go-to Personna "Israeli Reds" it's about 6 shaves. Don't keep shaving with a blade if you feel it tugging - you'll get poor results or worse, cut yourself. The nice thing is that they're a nickel to a dime each in bulk, so a weekly blade swap never costs you more than a single Fusion cartridge all year long.

I do not take my blades out between shaves and have never heard that recommended. if my hair is long I might loosen the head and to make sure any excess hair from between the blade & razor head is out.

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 12-17-2020, 05:42 PM
#14
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Palm stropping to extend DE blade life.
.....And GO! lol

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