### Human:\nhow does birth control help or hinder acne and hyperpigmentation?\n\n### Assistant: certain kinds of birth control pills are known to improve hormonal acne and thereby hyperpigmented acne scars. it takes approximately 3 months for you to see the difference. other hyperpigmented skin problems -- such as melasma or butterfly mask -- may get worse on birth control pills. consult your gynecologist and dermatologist.