As you may have noticed, certain supplements, like vitamin C, CoQ10, and biotin, and tasty items, like rosemary, green tea, and oatmeal, are just as often found in skincare ingredients as your grocery store. These natural wonders are attractive options for people who want to avoid synthetic additives, and manufacturers claim that they help battle breakouts, soothe irritation, treat uneven pigmentation, and even prevent sun damage. Here’s a look at the most common natural skincare ingredients and their potential benefits.