Manage your sugar consumption: Avoid refined sugars and opt for natural sugars in fruits.Go easy on high-fat meat, high-fat dairy products and baked goods, which besides not doing your skin any favours can clog your arteries with saturated fat. Lighten up on salt, which leaves you bloated and can raise your blood pressure. Over time, salt can damage your kidneys, eyes, and brain, writes WebMD. Limit sodium to about 1 teaspoon of table salt throughout your day. Load up on colourful, anti-oxidant-rich fruits and vegetables. Aim for five to nine servings a day. Vitamin C has been found to keep your skin younger looking and a 2010 study found that eating yellow and green vegetables was linked with fewer wrinkles.Oily fresh fish like salmon has also been linked to a youthful appearance. Chock full of protein, which can maintain firm skin tone. Oily fish also contains omega 3 and 6 fatty acids, which your body needs but doesn’t produce naturally.