need a youth-boosting vitamin c skin care product in your anti-aging arsenal? Equip yourself with the power of pure l-ascorbic acid by putting cellex-c high potency serum in your daily care regimen. This serum improves your skin's overall appearance and targets specific concerns such as fine lines, age spots, sagging skin and wrinkles. one key advantage to cellex-c's serum is the pairing of l-ascorbic acid with tyrosine, an amino acid that works with the vitamin c to encourage collagen production. This blend also contains zinc sulfate, a skin-cleaning agent. Together, this combination improves elasticity, tone and texture, smoothing out trouble spots and adding radiance to boot. with daily application to your face and neck, you see visible results in around eight weeks. This formula is also safe for most adults and will not cause troublesome aftereffects such as sunlight sensitivity. Pair cellex-c's serum with your favorite moisturizer or sunscreen for youthful benefits and to slow aging signs in your skin.