Safe for any body part: Arms, legs, neck, the crystal can be used anywhere. Best to try it on your arms and legs first, before moving to more sensitive regions. Exfoliation for men & women: Simply rub the crystal on your skin in small circular motions for baby smooth skin every time. Kind to skin: No burns, no nicks, no razor bumps; the crystal stone is soft and gentle on your skin at all times. Crystal Hair Eraser Stone: Get yourself a crystal hair removal stone for quality results every time. Crystal Physical Hair Eraser Nanostone | Living Social | Living Social