As we get older, we produce less and less natural collagen, a key building block in our skin that keeps it looking firm, smooth, and, well, youthful. Some ingredients—such as retinol and vitamin C—can help boost collagen production, but why not go straight to the source? You can find collagen in topical, supplement, and even injectable form—all with varying degrees of results. And although the wrinkle-softening effects of collagen moisturizers may be temporary, these creams below can help kickstart your skincare transformation journey. Read on for the 9 collagen creams we think are worth it.