Lightening hair, the process of altering hair color to a lighter shade, is a widespread practice that has evolved over centuries. Historically, natural ingredients like lemon juice and vinegar were used as lightening agents, while modern techniques involve chemical bleaches and hair dyes.
Lightening hair offers aesthetic benefits, allowing for dramatic color transformations and enhancing natural highlights. It also holds cultural significance, with different hair colors representing various fashion trends and social norms throughout history.