PCOS is one of the most common causes of hormonal acne in women. Elevated androgen levels stimulate excess oil, clog pores, and cause painful back breakouts. If you have irregular periods, facial hair, or scalp hair thinning along with acne, it's time to consult a dermatologist like Dr. Divya Sharma. https://www.drdivyasharma.com/Hormonal-Back-Acne-in-Women/