This is a single-blind (physician does not know the name of the assigned drug) and randomized (study drug assigned by chance) study to compare the effectiveness and safety of EE/NGM and EE/DSG in female participants using oral contraceptive and have mild to moderate acne vulgaris. Tablets of EE/NGM and EE/DSG will be administered orally once daily for 6 months and will be instructed to visit for evaluation at Month 1, 3 and 6 post-administration. The efficacy will be evaluated efficacy primarily through total acne lesions count, which will be recorded at these evaluation visits. Unused study medications will be collected and drug accountability will be documented. Participants' safety will be monitored throughout the study.