What It Is:A concentrated serum that combines Pitera and Niacinamide to tackle visible pores, fine lines and skin firmness. It hydrates skin to visible firm and redefine skin contours-for bouncier, softer and plumper looking skin, starting in just 2 weeks.Skin Type:Normal, Dry, Combination, OilySkin Concern:Pores, Fine lines & wrinkles, firmnessKey Inrgedients:- Pitera: Sk-ii's proprietary ingredient derived from fermentation. It improves multiple dimensions of visible skin damage and aging. Sk-ii discovered Pitera during a tireless quest for beautiful bare skin. In the 1970s, their scientists became fixated on the soft, youthful-looking hands of elderly workers at a Japanese sake brewery. They knew the secret must lie in yeast and fermentation process. Rich in vitamins, amino acids, minerals and organic acids, Sk-ii's proprietary ingredient Pitera, dramatically improves the natural surface rejuvenation process.- Niacinamide: Significantly decreases hyperpigmentation.How To Use It:Release a dropper-full amount of serum into your palm. Apply evenly onto your face by dotting on the forehead, both cheeks and chin. Add a few extra drops to areas you're concerned about, and gently massage into skin, starting in the center and spreading outward. Use this face serum after you cleanse, tone and treat, but before you moisturize.