With row upon rows of Technicolor eye shadows, shimmery blushes, inky liners and silky powders just waiting to be tested out and (hopefully) brought home, the beauty counter is any girl’s version of makeup heaven. But before you get too swatch-happy, make sure you know your etiquette. Are you supposed to tip after a makeover? Can you try on the products yourself or do you have to ask for help each time? We spoke with an insider source at Barneys New York and asked her our most pressing beauty counter etiquette questions, so you can spend more time finding that perfect shade of lipstick, and less time worrying about protocol.
Click through the slideshow above to find out what you should do (and not do!) when visiting a makeup counter.