You can't talk rainbow hair trends without mentioning Insta-famous Guy Tang. The hair colorist is known for his ability to transform everyday hair colors into the most beautiful and interesting shades ...

Guy Tang is one of those Instagram superstars that has the power to change trends with the drop of a caption. A hair expert and educator, he's known for creating rainbow and pastel color trends — and ...

Trying to keep up with every hair-color trend out there can give you major whiplash. There's pastel hair, mermaid hair, rainbow hair, color-changing hair, and phoenix hair (which is, if you're not ...