1. Comedonal Acne
This is the kind of mild acne that involves blackheads and whiteheads. It forms because a component of skin oil called sebum, along with old skin cells, block the pores of the skin. Comedonal acne appears most often on the forehead, nose, and chin.
Blackheads, a form of non-inflammatory acne, appear as tiny, brown or black plugs of foreign matter within the hair follicles. These deposits, or plugs within the follicles, mainly consist of keratin (a natural protein found in hair, nails and skin) and oily secretions from the sebaceous gland. Oxidation then causes the deposits to darken in color. When blackheads break the surface of the skin, they are medically referred to as open come done. Blackheads often remain on the skin for extended periods of time because of their inability to drain and disperse through the skin’s surface. Manual extraction is usually the best way to remove them completely.
Whiteheads, another form of non-inflammatory acne, typically appear as small, white-colored bumps or pimples on the skin. The bumps develop after trapped bacteria and sebum form a blockage beneath the skin’s surface. A whitehead is considered a closed come done because the lesion does not break the skin’s tissue. Many whiteheads are often invisible to the naked eye. With proper care, most can be easily drained through the skin surface. If left alone, whiteheads and pimples are prone to regression, and usually eliminate themselves through the skin’s surface over time.