This article explores the history and regulations surrounding hair color in Japan, including why they exist, their impact on students, criticism of the regulations, and potential alternatives. It is noted that many Japanese people dye their hair black to signify social status and maturity, and that in 2014, the Ministry of Education issued guidelines discouraging unnatural colors such as pink or blue. Reasons for these regulations include maintaining order and discipline within schools, but there is criticism about limiting freedom of expression among young people. Potential alternatives to these regulations are discussed.