From £14 to luxury: The best vitamin C serums and creams to try now. (Picture: Metro/Getty) Metro journalists select and curate the products that feature on our site. If you make a purchase via links on this page we will earn commission – learn more Think of vitamin C and what probably comes to mind are citrus fruits or supplements, but vitamin C is actually one of the most incredible skincare ingredients too! Skin experts and dermatologists al…