To evaluate the efficacy of a low-dose oral contraceptive (OC) containing 100 microg of levonorgestrel (LNG) and 20 microg of ethinyl estradiol (EE) compared with placebo for the treatment of moderate acne.
A randomized, controlled trial of a low-dose contraceptive containing 20 microg of ethinyl estradiol and 100 microg of levonorgestrel for acne treatment.