Rainbow hair—and the closely related unicorn and mermaid styles—use bright hues to turn boring tresses into an explosion of color. Stylist Guy Tang was one of the first to popularize these ultra-bright hairdos. Influencers quickly adopted the trend, flooding their feeds with photos of rainbow-style hair in every shade possible. These styles can be bad for hair health, but they did help drive greater social acceptance of brightly colored hair in businesses and schools.

This site offers information designed for educational purposes only. The information on this Website is not intended to be comprehensive, nor does it constitute advice or our recommendation in any way. We attempt to ensure that the content is current and accurate but we do not guarantee its currency and accuracy. You should carry out your own research and/or seek your own advice before acting or relying on any of the information on this Website.