You've probably heard a lot about acids in skincare. They sound a bit scary, but also excitingly powerful - what exactly do they do, and do you need to use them? Here's the lowdown on the most common acids in skincare. 

Oh, the skin barrier. You will have likely heard of this being referred to A LOT within the skincare industry and while you might not know what it is, we’d bet good money that you’ve probably felt the backlash when it's become compromised (aka unhappy).