If you're a lipstick-lover, you probably have go-to brands in your favorite shades and a pile of "others" collecting dust and taking up precious room in your vanity drawer. In 2018, the trend of minimalism continues to grow with people wanting to edit down to just the best of the best. That said, you may desire seasonal options to change your look to match your mood or outfit. We have a hack to help you use those old standby lip shades in a new way: we're going to teach you how to darken any lip color you already own. Read on for prep steps and tips for trying this hack.