It's a bit of a reach for there has to be a sensor or something. Not much difference between hair and skin when applying heat except the skin senses the heat and let's you know. Oh hey wait! It will cauterize those nicks so no bloody mess. :rofl2:
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"A sophisticated heat beam we call a ......laser."
Like the other system called NONO, or was it OHNO or NO Thank You, either way it is another whisker burner. Use heat melt the follicle and maybe your face. If I used one of those things with a 2 day growth I would burn my face and burn my apartment down, no thank you.