elastin1 Collagen vs Elastin: The Key to Firm, Youthful, Resilient Skin Collagen gives your skin its structure, while elastin keeps it flexible and alive. Discover how these two proteins work together to keep your skin strong, bouncy, and naturally youthful. You touch your cheek and notice—it feels softer, thinner, not quite the same.It’s not only dryness or fatigue. It’s structure.Beneath the surface, two proteins—collagen and elastin—create the architecture of you.. 2025. 12. 21. Previous 1 Next