Freshest, most potent day-and-night de-aging booster system. Together, they deliver results equal to a leading prescription for lines and wrinkles.* What It Does Turns your moisturizer into a de-aging powerhouse. Our breakthrough day and night Boosters with Pure Vitamins C 10% and A (Retinol) are freshly activated to deliver prescription-level results against visible wrinkles.* Simply mix a few pumps with your favorite Clinique moisturizer—Vitamin C in the morning, Vitamin A at night. Enjoy a potent de-aging boost without changing the moisturizer you love. Every day, Vitamin C 10% works on skin's surface to instantly brighten. See remarkably even-toned and retexturized skin with continued use. Every night, Vitamin A (Retinol) penetrates deeply into skin's surface. Over time, skin appears revitalized, lines and wrinkles 're-filled,' youthful tone recaptured. Proven Results Based on a 12-week clinical study using Vitamin C 10% in AM and Vitamin A (Retinol) in PM, vs. nighttime use of a leading prescription ingredient. First AM use radiance instantly boosted in 1 week smoothness and texture improved in 4 weeks fine facial wrinkles visibly reduced in 12 weeks skin tone is more even & deep-set wrinkles and forehead lines dramatically reduced. Includes: Fresh Pressed Daily Booster x1 8.5 ml Fresh Pressed Overnight Booster x1 6 ml