What it is: A four-piece set of travel-size facial serums curated by experts to help you firm, hydrate, brighten and restore your skin.Who it's for: All skin types, whether you're new to serums, want to try before you buy, are ready to take your skin cycling to the next level or need a complete travel-friendly routine.What it does: The Vitamin Discovery Kit is designed to help you understand which serums are right for you and how to use them in your skincare routine. It comes with a guide on how