Because of the deeper inflammation the tendency for scarring is increased. Acne lesions frequently contain pus. If the rosacea continues to the fourth stage, it is called rhinophyma. Blackheads are collections of oil and debris that clog pores. The material is normally whitish, but as it oxidizes, the surface turns black, producing this characteristic appearance.
Blackheads are collections of oil and debris that clog pores.
This picture illustrates how acne can appear on the face of darker-complected individuals. Cystic acne may occur across the upper chest as well as on the back. The face is the most common location of acne. Severe acne may have a profound psychological impact and may cause scarring. Effective treatments are available for this type of acne.