If You Have a Cavity Between Your Nose and Upper Lip, This Is What It Means
Have you ever wondered about that part of the skin between your nose and lips? You probably don't even know what it is and you've definitely never considered its purpose. And for all the men out there, you know how difficult it can be to shave that spot. However, it actually has a significant purpose so let us introduce you to the philtrum, the groove above the upper lip which many of us never think about.