It has become the standard format for 3D printing, but itâs increasingly seen as antiquated and limited. In reality, an STL file describes a shape and not much else. In addition, a complex shape can often make the file massive and unwieldy. And, STL cannot effectively utilize all the advances in multi-material printing.
1 These creams work on the layers of skin where new skin cells are formed and where collagen gives your skin the support and firmness it needs to appear young and wrinkle-free. 2  By increasing skin cell turnover, retinoid helps stimulate your body's collagen production.
Close-up of a woman having a collagen mask applied to her face. It's difficult to overestimate the importance of collagen when it comes to healthy skin -- collagen makes up about a quarter of your body's total protein content, lending itself to skin, hair, bones, tendons and internal organs. Collagen adds structure to the skin, giving it elasticity and plumpness. While you can bolster your collagen intake with foods like water-rich veggies, fish and soy, you can also turn to a collagen mask to keep your skin looking youthful.