A "hair style for women over 70" is a coiffure designed for mature women, typically characterized by shorter lengths, easy maintenance, and flattering color choices. An example would be a layered, chin-length bob with subtle highlights.
This style is relevant because it addresses the unique hair needs of older women, providing convenience, style, and a boost in confidence. Historically, the bob haircut, a popular choice among this demographic, gained prominence in the 1920s as women embraced shorter, more manageable hairstyles.