Like All acne, back acne is caused by overactive sebaceous glands. These glands produce an oily material known as sebum, which helps retain skin balanced. On the other hand, excessive sebum may result in germs growth and useless pores and skin cells, that may block pores during the skin. Spinal https://socialwoot.com/story22803854/an-unbiased-view-of-medicine-for-lower-back-pain