A pair of Clinique''s freshest, most potent day and night de-aging boosters that together help to reduce lines and wrinkles. Turn your moisturizer into a de-aging powerhouse. The breakthrough day and night boosters with pure vitamins C 10% and A (otherwise known as retinol) are freshly activated to deliver prescription-level results against visible wrinkles (in a 12-week clinical study). Simply mix a few pumps of vitamin C with your favorite moisturizer in the morning and vitamin A with your moisturizer at night and 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. Every night, vitamin A penetrates deeply into skin''s surface. Over time, skin appears revitalized, lines and wrinkles are plumped and your youthful tone is recaptured. Clinique''s guiding dermatologists recommend using topical vitamins C and A together for their synergistic power. Fresh is key. They naturally degrade when exposed to oxygen and lose their effectiveness. These boosters are presented in the brand''s exclusive stay-fresh packaging to protect their full potency until activation for maximum results.