I call it the Monday morning beauty hangover. And it's the last thing you'd expect. You head into the beauty salon on Saturday for a highly anticipated treatment. And then, Monday morning, you wake up looking....not so good. Because of an allergic reaction. Allergic reactions may be the last thing you expect when you head to the beauty salon, but I see many patients who develop reactions to common beauty treatments. Whether it's that pretty shade of nail polish, those shiny s