Blackheads are gross, that's something we all know, but what really are blackheads? Blackheads are essentially clogged hair follicles. When dead skin cells and oil start collecting in the opening of a hair follicle, it becomes what is called a comedone. If the comedone remains closed, it becomes a whitehead.
We all know how dry and germ-laden the inside of a plane can be. In recent years, the new commercial planes recirulcate about 50% of the cabin air. While the cabin air conditions of the plane have been improving in recent years (yay!), it is believed that still planes have