Electrolysis with tweezers, pro machine - is it worthwhile?

[Steffi]

My friend has a proper pro machine that came with both tweezers/gel and needle probes.
She's not trained to use the probes so wouldn't dream of doing so, but she did do a proper training course with the tweezers. Obviously tweezers won't be as effective as probes but the question is how effective are they - is it worthwhile doing?

[Imadique]

It will only be as effective as normal tweezing - you can't kill the hair by doing anything to it on the surface, you need to use a probe to get the current to the follicle.

[Myself]

even if the tweezers are electrical tweezers, the electricity does not travel through the hair shaft to the root of the hair.
Electrical tweezers are a scam.

[Steffi]

Thanks, that was my understanding. 
.....so now all I have to do is work out how to get my friend to drop the subject then,