Abstract: This invention relates to a hair styling brush and method of use. A brush according to the invention will have particular utility with hair which is to be "blow dried", usually after the hair has already been partially dried, for instance after it has been "towel-dried". There is provided a hair styling brush which includes a head, a handle connected to the head, and bristles carried by and projecting from the head wherein the head carries a temperature sensitive color-change material, the material being selected to be inert to hair and adapted to indicate a minimum threshold temperature for hair styling. There is also provided a method of use of such a hair styling brush.