As we age, collagen and elastin, two essential parts of healthy skin, begin to break down leaving the complexion dull and damaged. PCA SKIN Total Strength Serum contains several anti-aging ingredients that boost production of collagen and elastin to reduce the appearance of fine lines and wrinkles. The formula of this PCA serum also refines the complexion to reduce the look of enlarged pores and create a more even tone and texture. By binding moisture to the skin cells, this growth factor serum creates a plumper and firmer appearance and a radiant glow. Because it targets multiple concerns, this product is a great addition to any skin care routine and gives the complexion an overall more healthy and youthful appearance.