Obagi Professional-C Polish + Mask 30% Contains 30% L ascorbic acid (Vit C) Micro dermabrasion, polish and mask Brand new, never used. Full tub with applicator still attached to lid (used to stir product prior to use) This multitasking polish and mask, exfoliate and prime skin for a powerful infusion of 30% vitamin C, revealing dramatically brighter, smoother, and more useful looking skin. Directions – scrub a thin, even layer on to clean, damn skin, avoiding the eye area. Leave on for 10 to 15 minutes. You may experience a slight tingling sensation. Wipe off and rinse with warm water. You use 2 to 3 times weekly