Your skin is the largest organ on your body. Its appearance reflects your overall health and well-being. Healthy skin is beautiful skin. If your complexion is looking dull, rough, and tired, there are steps you can take to remedy your issues. Here are four ways you can improve your complexion naturally. 1. Protect your skin from the sun. The sun's ultraviolet rays can damage your skin. In addition to causing painful sunburns, the sun can also cause invisible damage called photoaging.