Why shaving dulls even the sharpest of razors
A new study by MIT engineers shows how shaving can damage blades. Human hair, 50 times softer than steel, can chip away a razor’s edge, the engineers found.
Gianluca Roscioli C Cem Tasan Seyedeh Mohadeseh Taheri Mousavi Thomasb King Department Of Materials Science Associate Professor
Source: mit.edu