WHY WE LOVE IT With a high concentration of Perricone MD's signature sciences, the Serum Cocktail Kit is designed for skin that requires more targeted solutions. These potent serums help reduce the appearance of fi ne lines and wrinkles, and smooth and brighten uneven skin texture. VItamin C Ester CCC + Ferulic Brightening Complex 20% (15 mL / 0.5 US fl . oz.) An ultra-potent, supercharged serum rich in antioxidants and formulated with Vitamin C Ester and two additional forms of vitamin C for our highest concentration of 20%. Works together with vitamin E and ferulic acid to help visibly brighten, smooth and minimize the appearance of skin discoloration and dark spots over time. High Potency Hyaluronic Intensive Hydrating Serum (15 mL / 0.5 US fl . oz.) This deeply nourishing serum is designed with 4 forms and 2 natural building blocks of hyaluronic acid to instantly replenish with essential moisture for visibly smoother, firmer and plumper skin. This fast-absorbing formula helps strengthen skin's moisture barrier, increase the feel of skin cushion and reduce the appearance of fi ne lines and wrinkles for a healthy, youthful-looking appearance. Leaves skin looking and feeling soft, supple and rejuvenated. High Potency Triple Retinol Renewal Serum (15 mL / 0.5 US fl. oz.) Formulated with our proprietary triple retinol blend, this powerful day and night serum accelerates skin renewal with less sensitivity to deliver the look of collagen-rich, firmer skin. Works together with antioxidant powerhouse coenzyme Q10 and naturally-derived beta-carotene (vitamin A) to visibly diminish uneven texture and dullness for a more even, radiant complexion. Neuropeptide Deep Crease Serum (15 mL / 0.5 US fl. oz.) This highly-potent, silky serum smooths the look of even the most stubborn deep lines, wrinkles and creases around the mouth, eyes, lips and forehead, including marionette lines, frown lines, smile lines and nasolabial folds. Over time, wrinkle depth appears shallower and the look of expression lines reduced.