P1Harmony - Keeho, Theo, Jiung, Intak, Soul, and Jongseob - are amazing perfmormers but they weren't all too excited about taking on Cosmo's TikTok Challenge Challenge. Watch more TikTok Challenge Challenge br br How do you think @P1Harmony did? And who is your fave?! Let us know in the comments. Love Cosmo? Then come join our ~ elite ~ members-only crew. Sign up for Cosmo Unlocked: cosmopolitan.