6 Types of Acne and What Might Cause Them

1. Cysts

When a pustule gets infected, it starts to hurt. This is how pimples turn into cysts. Cystic acne comprises white or red lumps that are painful, large, soft, and deep in the skin, even deeper than nodules. They also have pus in them. In fact, these are thought to cause severe skin problems, such as scarring.

Causes: infected pustules