"Causes of grey hair" primarily characterizes why hair loses its natural color and turns gray. For instance, a common explanation is the reduction of melanin production, the pigment responsible for hair color.
Understanding the causes of grey hair has practical implications for cosmetic purposes, such as hair dyeing and treatment. It also holds scientific relevance, aiding in research on aging, genetics, and hair physiology. Additionally, the historical evolution of hair coloring techniques and the societal significance of grey hair offer valuable insights.