Though putting two curved, slippery spheres in your eyes every day might sound like a special form of torture, we’re grateful for their ability to help us do one of life’s most vital tasks (see things, that is—not put things in our eyes). And yet, anyone who wears contacts can attest to the fact that though they improve our vision, they can also lead to irritation, wateriness, and itchiness—especially, it seems, in the face of our favourite makeup products. Cue the frustrated sigh (and red, teary eyes). Lucky for you, we’ve put together a handy guide of all the makeup tips every contact-wearer should know—and yes, coloured contacts–wearers are included. Eyeliner ready? Keep scrolling to see them all!