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.
1 Patches or gels containing testosterone can be applied to the skin daily. 2  A tablet-shaped patch known as a buccal system can be applied in the mouth where the upper gum meets the inside of the lip. The patch is changed every 12 hours.  Testosterone pellets are a newer form of treatment.