Black acne marks: Black acne marks are pigmentation caused by acne inflammation and infection. After the acne is removed, a black mark will appear on the part where the acne grows. Generally, black acne marks are false acne marks, which will gradually disappear over time.

Red pockmark: Red pockmark refers to the temporary red pockmark left after acne subsides, which is caused by inflammation of skin cells in the acne area. This kind of acne mark will disappear by itself in about half a year, and it is also a false acne mark.

Pockets and acne marks: The inflammation of acne is too strong, which hurts the collagen of dermis, and the dermis collapses to form pits. This kind of pit is the most common form of acne marks. The concave hole will not disappear by itself after it is produced, and it needs our own efforts to eliminate it.

Proliferative acne marks: Proliferative acne marks refer to the protrusions formed in the acne area, which are generally red and swollen. After excessive scratching, it often grows bigger and looks scary.

Different types of acne have different treatment methods, and it is recommended to consult the hospital for specific matters.