5 ms·
Corrosion coupled with abrasion. If people washed their faces well in advance, they would eliminate dust in the facial grease. This dust is only partly hard par
by aurizon 4y ago
Corrosion coupled with abrasion. If people washed their faces well in advance, they would eliminate dust in the facial grease. This dust is only partly hard particles - silicon dioxide from rock and other hard stuff. Skin and soft dust is less abrasive. This abrasive part is harder than steel and scratch by scratch wears away the edge. This is well documented. The other wear factor is corrosion - hardened steel corrodes and adges get smaller. Stainless steel does not corrode, but is softer and abrasive wear dominates.
Eventually the feel of a blunting bladed prompts a change, they grab/dig/cut into the face
- orionblastar 4y agoThis is why some razors have instructions to wash your face before using. You can use an old toothbrush to clean the edges of the razor to give them more life.
- simonblack 4y agoAnd some people believe that wiping the blade backwards on a piece of firm cloth like denim hones the edge so that one blade can last several months. I've tried that several times. In some cases the blade does in fact seem to last longer. In other cases, there doesn't seem to be any improvement at all. https://www.youtube.com/watch?v=gjSkgz3-2Ig https://www.youtube.com/watch?v=gjSkgz3-2Ig
- toomuchtodo 4y agoCould a razor blade be made that never dulls with a diamond or some other hard material (tungsten carbide)?
- aurizon 4y agoIn theory a diamond blade will never corrode and will always be resistant to fine stone grit, but diamond is brittle = edges can get chipped. In theory a stainless steel strip could be coated with plasma deposited diamond and then sharpened = costs ya extra... One company sells them, there may be more https://www.cadenceblades.com/materials-coatings/overview/diamond https://www.cadenceblades.com/materials-coatings/overview/di...