Not convinced you need to add another step to your beauty routine? Well, if you’re a foundation fanatic and an eyeshadow enthusiast, you may want to think again. Primers are the undergarments of the beauty world â€“ the smooth, perfect and ensure that everything that’s popped on following them stays in place and looks on point. Convinced? We’ve rounded up a handful of our tried-and-true favourites that weÂ reach for after our skincare has been applied.