This is a blotchy darkening of the pigmentation in the skin that usually appears on the cheeks just below the eyes, above the lip, on the forehead, in the armpits, on the nipples and around the genital area. It occurs in as many as one third of all women on the pill and is not uncommon in the last three months of pregnancy. While it will fade in time, chloasma is aggravated and rendered more noticeably by exposure to bright sun light. Keep out of the sun as much as possible, avoid sun lamps and use an efficient sun block. You can sometimes counteract the darkening by bleaching the skin, but results are not always good and may even leave the skin looking botchier than before.