The Aculon treatments result in a functionalized surface that is highly oleophobic. As can be seen from the graph below a treated parts is 8 times more oil repellent than an untreated part where oil would easily wick across the surface.
The skin of the lip forms the border between the exterior skin of the face, and the interior mucous membrane of the inside of the mouth. The lip skin is not hairy and does not have sweat glands. Therefore it does not have the usual protection layer of sweat and body oils which keep the skin smooth, inhibit pathogens, and regulate warmth.
Pictures of Fat Lips. 1  A trauma, blow, injury, cut or wound on lips or mouth can cause a fat lip. Trauma to the mouth including lips and tongue is quite common. 2  An insect bite and stings such as bees, hornets or wasps can cause fat lips. 3  An infection such as lip herpes can lead to blisters and swelling.