Like all acne, back acne is because of overactive sebaceous glands. These glands produce an oily substance named sebum, which aids keep skin healthier. Nevertheless, an excessive amount of sebum can cause bacteria progress and useless pores and skin cells, which can block pores while in the pores and skin. https://http-directory.com/listings13454003/considerations-to-know-about-lower-spine-back-pain-relief