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Sure...I imagine it's an option. I know someone who digs moles out with a pocket knife and a bottle of isopropynol. Lots of things are options. Doesn't mean they're all good ones.

Your acquaintance may like to know common 3% hydrogen peroxide can be used to great effect for oxidizing moles and warts off. It just takes some time, but persistent application eventually destroys the organic flesh and conveniently leaves a chemically cauterized surface behind.

I think it's for the 'it makes him feel manly reasons' mostly. I'm not sure oxidizing it off slowly with hydrogen peroxide would have the same effect as cutting into his own flesh and cleansing the wound with searing alcohol does.

Sounds like self-harm more than anything. I hope your friend is OK.

Every barbershop should be able to do this.

Get your beard trimmed at the same time.

https://en.m.wikipedia.org/wiki/Barber_surgeon

It's all about risk (and liability)