Often shaving commercials brag about how their razor has more blades than their competitors, are more blades somehow better, and if so why?
In: 5
Oh a nice easy one! There’s a really satisfying animation I saw about this years ago that has become ingrained in my memory, but I couldn’t find it so [here’s one](https://www.youtube.com/watch?v=20SSZH2JI2s&ab_channel=Gillette) that’s effectively the same.
Basically, when a blade passes across a hair, it doesn’t just cut it, it also pulls it out of your skin slightly. If you then follow it up with another blade before it can sink back in, the next blade can cut the extra bit that got pulled out, that the first blade didn’t get. Then, it pulls it out even more, allowing a third blade to cut even further down.
The reason cutting further down is better is because the remaining hair will stick out of your skin a shorter distance, resulting in a smoother feel and less irritation.
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