... This way, the surrounding skin remains intact, while the hair follicles are selectively affected, which leads to non-invasive permanent ... area of the body for hair removal, such as hairline, hair around lip area, beard, armpit hair, hair on arms, legs, breast and ... size 16mm×10mmPulse width 20-1000msRepetition rate 1-20HzCooling system Closed-loop distilled or de-ironized water cycleCooling tip ...