Gigi Hadid does it. Selena Gomez and Amanda Seyfried do, too. Olivia Munn also used to apply toothpaste to her pimples but has since wised up to this acne treatment hack. The stars, they’re just like ...

Some people like to put toothpaste on their pimples because they believe it helps to shrink their size. While some people think this practice is a quick fix for pimples, dermatologists may say ...