While you can certainly benefit from a great skin-care regimen, "in cystic acne, usually you need internal treatment," he says. "Topical medications usually don't work. Accutane is a great miracle cure for really bad cystic acne, but most people with cystic acne will improve with oral antibiotics — sometimes for two weeks, sometimes for three weeks."
Acne treatment that you apply to the skin: Most acne treatments are applied to the skin. Your dermatologist may call this topical treatment. There are many topical acne treatments. Some topicals help kill the bacteria. Others work on reducing the oil. The topical medicine may contain a retinoid, prescription-strength benzoyl peroxide, antibiotic, or even salicylic acid. Your dermatologist will determine what you need.