While pimples are usually a symptom of acne, not all of them are the same. Experts gave us the details on the types of acne, what they look like, and how to treat them.

From hormonal changes to dirty sheets, there are various reasons adult acne occurs. Here, board-certified dermatologist Dr. Dustin Portela answers our burning questions—and offers treatments.

However, Kikam emphasizes that acne is “multifactorial,” and so paying attention to your lifestyle choices, in addition to fine-tuning your topical skin care routine, is the most effective ...