Though all pimples form the same way, they often take on different shapes and characteristics, and react differently on different people. Acne is formed when a hair follicle becomes clogged and what is called a comedo is formed. As the follicle becomes clogged with more oil, the comedo becomes larger, inflaming the skin around the area and forming what we know of as a pimple. There are several types of acne, each requiring different methods of treatment. This article covers some of those types, explaining each and making treatment suggestions.
Non-inflammatory acne often takes the form of a closed comedo, or whitehead. This occurs when the plugged hair follicle stays beneath the surface of the skin, and appears on the skin as a small whiteish bump.
An open comedo, or blackhead, occurs when the plug enlarges and pushes through the surface of the skin. Its dark appearance is not due to dirt, but rather to a build up of the dark pigment of the skin called melanin. Blackheads are also a type of inflammatory acne.
The mildest form of inflammatory acne is a papule, a small, firm, pink bump appearing on the surface of the skin. These bumps can be tender...