1. Salmon, tuna and mackerel contain omega-3 fatty acids that help keep your skin moisturized. 2. Avocado is high in vitamin E, which is essential for healthy skin. 3. Pumpkin, sunflower seeds, almonds and walnuts contain high amounts of vitamins A and C, and act as antioxidants by protecting your body from sun damage and air pollutants. 4. Raspberries, blueberries and strawberries are full of vitamins C and E. These help restore the skin’s collagen, keeping it smooth and supple. 5. Yogurt is full of good bacteria, which aids digestion, improving overall skin quality. 6. Mango contains the nutrient beta-cartene. Your body converts it into vitamin A, which is essential for healthy skin.