Francesca Vengel uses Perfect Corp.’s YouCam Makeup app to change her makeup at the CES Unveiled event for media prefacing the tech mega-conference at Mandalay Bay in Las Vegas, Sunday, Jan. 6, 2019. Perfect Corp. offers another app, YouCamPerfect, that allows users to photoshop selfies. They also offer a video chat service that allows uses to speak in real time to beauty experts. Rachel Aston Las Vegas Review-Journal @rookie__rae