NIB ReFa Carat Ray Face Roller (Waterproof, Tightens + Tones). Never Been Used. Retail Price: $250 A platinum-coated multi-angular facial roller that is designed to help tighten and contour the appearance of skin on your face and neck. Benefits: Helps create a contoured look Helps tighten and tone the look of skin for less visible puffiness Microcurrent helps to target treatment of face, neck, and décolletage