Ever since Kylie Jenner went ahead and invented the lip kit back in 2015, faking fuller-looking lips has been the goal of beauty gurus everywhere. But the whole lip liner thing is still just a temporary solution for the poutless among us, and it’s not like everyone can afford to pay for fillers every few months to get the full Kylie look, either.Related | This Silly Side Table Is Going Viral on TwitterEnter a brand new viral TikTok hack: using self-tanner to effectively dye the outline of your lips to be larger, creating a kind of contour effect. User Sophia Almaraz says she left the tanner on overnight and the effect has lasted for a couple of days so far: @alexa.almraz I did this a couple days ago and it still looks really good 10/10 recommend ##faketan ##faketanliner ##lipliner ##fyp ♬ talking to the moon sickmix – Sickickmusic Not quite ready to fake tan your lips? (Maybe don’t mix the tanner on your shining white sink, as @mee3zz does. Try this slightly more temporary version of the same trick, using eyeliner: @panicplace you asked so you shall receive ##fyp ##foryou ##foryoupage ##lipliner ♬ trevorwallace on Instagram – trevor wallace Kylie Cosmetics, your move.Screenshot via TikTok User @mee3zz is popularizing the technique, and she’s even got an Olivia Rodrigo track playing in the background for some extra Gen-Z cred: @mee3zz try it if u dare ##faketan ##faketanliner ##lipliner ##faketanlipliner ##fyp ♬ deja vu – Olivia Rodrigo What you’ll want to do is line your lips using a brush dipped in a safe, face-friendly self tanner, let that sit for a while then wash off. Or awkwardly bring up the subject of race.)Other users have hopped on the trend, with similar success. You’re left with a dark outline that will give the illusion of fuller lips.