My husband is taking esperol for past 6 months but not continuously. He will skip sometimes drink n after sometime he starts taking tablets. Now he feel some blackening of skin over his face n feel inferior about his complexion. So he is asking me to stop giving him tablet. But I cannot trust him fully and cannot avoid giving him tablets. This becoming a problem as he getting angry. I want to know face blackening is due to this tablet and what should I do now? Please reply.