Here’s How Your Soft Hair Continues to Ruin Even The Sharpest Steel Razors – ScienceAlert

You wouldn’t think there’s much of a contest between soft hair or a little bit of beard stubble and a sharp steel razor and yet, most of us know razors quickly lose their sharpness no matter how carefully you shave.
Now scientists have a much better idea why this is happening at the smallest scale.
By analysing blades at a microscopic level, a new study shows that even a single strand of hair 50 times softer than steel can cause a blade to chip under certain conditions. Once that chip appears,…

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