Targeted treatments come in many different forms and can seem quite confusing at first. We’ve selected some of the most popular and effective ones from Korea. Everyone has unique skin concerns and these targeted treatments are here to help; consider it like taking vitamins and supplements for your skin. As a broad rule, essences usually have a more watery texture than serums and ampoules, and you can layer multiple treatments in this step depending on your needs. Just be sure to start from the thinnest in texture and work your way up.