Like all acne, back acne is caused by overactive sebaceous glands. These glands develop an oily substance called sebum, which helps retain pores and skin healthier. However, too much sebum can lead to bacteria development and dead skin cells, that may block pores in the pores and skin. A bulging https://bookmarkcork.com/story21680545/5-simple-statements-about-medicine-for-lower-back-pain-explained