There really might be some truth to the expression “New hair, new you.” Search “hair theory” on TikTok, and you’ll find hundreds of videos of users transforming their whole vibe by simply changing how they style their hair:@rhyzagaylelwhich one do you like? ♬ original sound - ✰One minute, they’re a business professional with a tightly pulled-back bun. The next, they’re an easygoing flower child with loose, bouncy curls, then a fun, edgy rocker chick with a flip of the hair. Even subtle changes like the positioning of someone’s part can completely