Pomade acne

 Pomade acne occurs when some of the pomade that is applied to the scalp is also applied to the forehead and is responsible for the development of multiple, closely packed comedones close to the hairline.[1][2]

This article uses material from the Wikipedia article
 Metasyntactic variable, which is released under the 
Creative Commons
Attribution-ShareAlike 3.0 Unported License
.