Mary Kay Serum + C NIB.

4 travel size bottles make this a perfect purse addition with .75 ml per tube/bottle. Every day your skin is attacked by oxidative stress Fight back with this antioxidant megaboost: a powerful vitamin C and vitamin E facial serum. These skin care ingredients are effective alone, but together they’re extraordinary. The highly potent antioxidant, vitamin E, teams up with pure vitamin C in an age-defying duo that’s better together. Two additional sources of vitamin C deliver even more potency. Add this benefit-packed serum to your daily routine to see skin that’s brighter, firmer and glowing with good health.