cool to think that this was really the start of it >> it's fun to think that - and i should add -- lucilele, ball, she debuted the stay-put lipstick in 1939! >> dr. travis: you have beauty devices still ? in use today. and newer ones . >> so these are newer ones. so the question is, this is called an ice roller. it's touted to reduce pour side. -- size. >> you put this in the freezer and for a few minutes at a face. and, um, the thought is that, it's meant to make the pours appear smaller, but actually this is a descent idea. because the cool, if you don't do it excessively, it's a great anti-inflammatory. a great way to decrease puffiness, when you wake up and the eyes are swoll know and you -- swollen and you want to calm things down. this is a simple, easy device. >> dr. travis: this is not just great for the face, but if you have muscle soreness -- >> right? d you can injury the skin with excessive cold. you can cause frostbite on the skin, if you get too much cold. >> how often can you do that? >> you mentioneds -- mentioned pores, overall, if you have bags under your eyes that cold, y