The subject invention provides a method of treating acne in a subject which comprises topically and periodically applying to the subject's acne a composition comprising 3-phenyl-benzo[f]chromen-1-one and a pharmaceutically acceptable carrier, wherein the 3-phenyl-1-benzo[f]chromen-1-one is present in an amount effective to treat the subject's acne. The subject invention also provides a method of treating a skin condition associated with abnormal sebum secretion or abnormal sebaceous gland function in a subject, compositions in such methods and a sorting method for identifying agonists of AhR pathway useful in such methods and compositions.
