REN Skincare Atlantic Kelp And Magnesium Salt Exfoliating Body Scrub is a wonderful body scrub that gives a silky soft skin. It contains sea salt and magnesium salt, which gently exfoliates the skin, removing dead skin cells from the skin's surface. This stimulates the skin's cell renewal, which gives tired and dull skin renewed energy and a fresh and healthy glow, while at the same time the skin feels fantastically soft and delicious.