jeez, haven't you girls ever read "Valley of the Dolls"????? I stole it from my mothers book shelf, it's where I learned about sex, drugs, and yes- frownies!! Quite a change from Nancy Drew, that's for sure...
You stick them on your face, usually when you are at home and not going anywhere, and they are supposed to remind you to keep your face relaxed, the gist being that "frowning" and other natural facial expressions cause lines..if you "frown" while wearing these, the triangular points will actually "stab" into your skin, reminding you to relax your face. I can't see the point of wearing them while sleeping, since that's the time our faces are most relaxed.