K18 is bringing its viral Hair Flip Challenge to Grand Central Terminal for a live Guinness World Record attempt! Hosted in partnership with Cole Walliser, GlamBOT director, the activation will turn the iconic NYC transit hub into a social-first stage, inviting commuters, creators, and beauty fans to help set the record for the most hair-flip videos posted to TikTok and Instagram in 24 hours, all celebrating healthy, confident hair. K18 Guinness World Record Hair Flip Challenge Details
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