"i had a sudden outbreak of what the derm called adult acne. it came back after it was almost better two weeks later and i went to the dr. he prescribed ziana which i use at night and my face not only got 100% better with 0 blemishes but it has not broken out again since. it does make me wake up very oily, but once i wash my face and apply makeup i don&#039;t have that issue throughout the day. i didn&#039;t experience any redness or drying. great product for me!"