Neutrogena Healthy Skin Rejuvenator is a very easy to use. Simply wet and attach the puff, then rejuvenate your skin's look. No measuring. No mess. Just great-looking skin.J ust one treatment exfoliates and boosts microcirculation to enhance blood flow, resulting in more radiant, smoother skin. Its randomized microvibrations make it gentle enough to use frequently. The System Applicator works on and below the skin's surface, increasing the production of collagen as it exfoliates.