Mascara, originally uploaded by: icyFrance. Question: Why can't women put on mascara with their mouth closed? Here's what they think. "Women can apply mascara with their mouths closed. Many women find it easier to apply mascara with their mouths open because it relaxes the face, and makes it easier to brush the wand delicately on all the lashes. I also think some women find it easier to concentrate when their ... read on