Home Skincare Glossary Wrinkles Wrinkles are fine lines or creases that develop on the skin’s surface as a natural part of aging. They can also be caused by sun exposure, smoking, and other environmental factors that damage the skin’s collagen and elastin fibers. The Best Neck Creams for Firmer & Smoother Skin Wrinkles Under Eyes When Smiling: Causes, Treatments, and Prevention 11 Best Natural Anti Aging Skin Care Products A Guide to Treatments & Procedures for Under Eye Wrinkles Our Top 5 Best Eye Creams for Bags and Wrinkles 2024