When your skin loses collagen and elastin, it may appear thinner, which results in wrinkly or "crepey" skin. Unlike typical wrinkles, which are simply folds in the skin on parts of your body with frequent muscle movement, crepey skin sags and can appear fragile and unhealthy — and instead of waiting for it to happen to you, prevention is the best option.
You may associate crepey skin with aging, but dermatologist Ranella Hirsch explains that "Wrinkling is related to genetics, facial movement, and some sun damage. Crepey skin, on the other hand, is related only to sun damage whereby the sun is breaking down the elastin." When elastin, or elasticity, is lost, the skin thins out, loses firmness, and sags.
To prevent crepey skin, stay out of the sun as much as you can, and when in the sun, wear a wide-brimmed hat, large sunglasses, and of course, sunscreen. You should have a skincare routine to keep your skin nourished and hydrated; products that contain hyaluronic acid are very popular for those seeking plump, firm, elastic skin.