"Ninja Blue Hair" (noun): A vibrant shade of blue hair inspired by the stealthy operatives from Japanese folklore, characterized by its electric hue and association with mystery and agility. One prominent example is the actor Rintaro Sawayama, who often showcases this striking hair color.
This trend has gained traction due to its bold and eye-catching appearance, offering a unique and easily recognizable style. It has also become associated with individuality, creativity, and a sense of empowerment. Historically, blue hair has been connected to ancient Egyptian deities and has been used as a symbol of rebellion or nonconformity in various cultures.