Acne that shows up on the forehead, nose, and chin (also known as the “T-zone”) may be comedonal acne — or whiteheads and blackheads, says Hollmig. Comedonal acne occurs when pores become ...
The formation of acne in dogs is quite different from human acne. In dogs, acne consists of the inflammation of a dog's hair follicles and it's mostly limited to the chin and lips of young dogs. What ...