This antioxidant-rich juice protects skin cells from damage and improves elasticity and collagen production while supporting hydration for plump skin. Red grapes contain resveratrol, a powerful antioxidant linked to healthy aging. Cucumber hydrates the skin and balances the other ingredients. Lime and grapefruit provide vitamin C to support collagen production and balance out the earthy flavor of cabbage. Red cabbage is rich in anthocyanins that protect skin from free radical damage, preventing wrinkles and fine lines.