Dietary fats such as omega-3 fatty acids and oils, commonly found in fishes such as salmon, are known to naturally reduce wrinkles. Dietary fats improve skin health by effectively nourishing the skin cells, and often act as a soft cushion under the epidermis, plumping out the skin and in turn reducing the appearance of wrinkles. omega-3 fats are found in plenty in oily fishes, such herring, salmon, tuna and sardines. Vegetarians can balance out their intake of omega-3 fats by consuming walnuts, almonds, flaxseed and sunflower seeds and olive oil. Look young and live a long life with these 8 Surprising Healthy Foods That Help You Live Longer