Copper peptides promote collagen, elastin and hyaluronic acid production within the skin. All three are vital for skin firmness, texture, radiance, and appearance. But all three of these components decrease with age. Elastin is especially difficult to replace. Few skin products build Elastin like copper. Elastin is a necessary part of younger, resilient skin with less sagging. Elastin gives skin its youthful springy and bouncy quality. Elastin is crucial to achieve young-looking skin because it reduces sagging and wrinkles.