How Long Does Shaving Soap Last?

May 09, 2016

How Long Does Shaving Soap Last?

How long a shaving soap lasts

is influenced by several factors, but assuming your shaving soap is average size of 3-4 ounces and the soap is a medium hardness it will likely last at least 100 shaves.

If you want to get a bit more scientific to determine the longevity of the shaving soap use the following points to determine the lifespan
  •      Size of shaving soap puck
  •      How much you load the brush during each shave
Loading a shaving brush is the process where you take the brush and swirl it in the shaving soap to transfer a thick paste of shaving soap to the shaving brush.
 
A typical load time is around 30 seconds and in that period of time you’ll get about .5-.75 grams of shaving soap on your brush.  
 
These estimates are just that an estimate and you could get on either extreme .25 - 1.0 grams, but 1.0 grams is really too much shaving soap to load
 
There are 28.3495 grams per ounce, so below is a simple table showing the lifespan of shaving soap under normal conditions with light to heavy loading of the brush.
 
Size of Soap
.25 gram load
.5 gram  load
.75 gram load
1.0 gram load
1 ounce
113 
57
38
28
2 ounces
227
113
76
57
3 ounces
340
170
113
85
4 ounces
470
227
151
113
As you can see if you are frugal with your shaving soap it’s easy to get hundreds of uses out of it.  Go crazy and load it to the max and you still get a long life out of your shaving soap.
 
Considering shaving soaps are typically in the $15 price range for a 3-4 ounce tin it’s literally pennies per shave.
Before you buy find out how to identify the Best Shaving Soap
 



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