What causes cystic acne in adults? Once the little gaps within the pores of the skin known as hair follicles get blocked then acne breakouts are bound to occur. The blocked hair follicles that are situated close to the surface of the skin. As the pimples form, the a hair follicle blocks and the acne breakouts will certainly get worse due to contamination of hair follicles by the germs within the pores and on the skin. This further leads to the formation of papules, pustule, nodules as well as cysts. 8 out of 10 cases associated with cycstic acne breakouts in adults occur among females. This is because females frequently go through hormonal changes especially during menstruation and also during pregnancy. Acne breakouts occur frequently in females during their menstrual periods , while pregnant women, usually suffer from the condition after about 3 months of pregnancy. For ladies that have a condition known as ovarian symptoms, they may also put on some weight and this is commonly accompanied by little cysts that appear on their ovaries which is a condition that is associated with the appearance of cystic acne in adults.