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That will be solved with IPL, which has been invented decades ago. No need of blades.

Here is some more info: https://en.wikipedia.org/wiki/Intense_pulsed_light

Does this answer your question/concern?

But IPL is used for Hair Removal treatment not a haircut + you need a special gel over your skin to make sure that the beam doesn't burn your skin. You sure about the technology?

I guess if you only had one style selection (bald) this might work.

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