Ethinyl estradiol / levonorgestrel
"Definitely works but it did leave me with some acne that took awhile to heal and if I happened to miss a pill I would bleed for a few days until my body got back on track. I have been using it for about a year and just switched to monanessa in hopes of helping with my acne. All in all I did enjoy Chateal besides the spotting and mild mood swings."