To start, let’s define acne. According to experts, acne refers to a skin condition that occurs when a build up of oil, sebum, and dead skin cells clog pores and hair follicles. The result is the ...

Comedones are bumps on your skin caused by blocked hair follicles, leading to blackheads and whiteheads. Use oil-free and non-comedogenic products to help prevent comedones from forming. Topical ...

Medically reviewed by Casey Gallagher, MD Neck acne happens when oil, sweat, dead skin cells, or products clog your ...