Amazon.com: Heated Styling/Curling Iron Brush | 3-in-1 ... 3-IN-1 VERSATILITY: This 1 inch curling iron brush is a hair curler, straightening brush, and normal comb (with shiny ionic conditioning) all rolled into one. FOR ALL HAIR TYPES: The variable temperature of 265F to 430F safely & precisely styles all hair types: fine, normal, or thick.