Yes. Acne can be experienced at any age due to changing hormone levels that regulate sebum and sweat production. This increase can lead to an excess of sebum which then clogs the pores and results in Acne. Pregnancy also causes fluctuations in hormone levels as do certain types of oral contraceptives. An ovarian cyst can also cause Acne. Oil based make up can also block skin pores in adults causing Acne. Another cause of Acne in adults is anabolic steroids used by bodybuilders to increase muscle mass and strength. Side effects include Acne.