See how powerful it is? That's why it can suck up the dirt in your pore and clean your skin. Don't worry the "harsh" thing, it has 5 gears for your option, so you can choose Gear 1 which is the softest.
Again the features: --Encourages blood circulation while removing dead skin cells and dirt inside pores, revitalizes the skin more tight, firming, smooth and compact. --Romoves skin debris, imperfections, blemished, wrinkles and unwanted pigmentation on the skin.