A post shared by Unicorn Cosmetics (@unicorncosmeticsuk) on Aug 21, 2017 at 8:53am PDT If you thought Unicorn Cosmetics’s eponymous brushes couldn’t shine any brighter, prepare yourself for the next generation of these iridescent tools. The brand has teased its “graveyard spooktastic” color-changing line of brushes, which come in their own coffin-themed bags. And that is important, because this collection…