👉 Gray hair is a common condition in which the hair on the scalp turns gray over time. It can be caused by several factors, including aging, genetics, and certain medical conditions such as alopecia areata. Gray hair can make it difficult to style or color hair, especially if it falls out or becomes discolored. The term "grayhair" is also used in some cases to refer to the grayish-tan patches on the scalp that may appear over time due to various factors,