The unique Citrix skin care system of multiple strength Vitamin C products provides a complete step-treatment program. Their professional level serum and cream products help nourish the skin with Vitamin C's potential to stimulate the growth of collagen. Citrix plays a vital role in maintaining healthy skin elasticity and texture, leading to a more youthful complexion. Citrix products also help in preventing the damaging effects on the skin by free radicals — unstable chemicals resulting from air pollution, smoking, stress and sunlight. With Citrix, you're able to enjoy a healthier, happier complexion using the power of nature's Vitamin C.