The treatment and prevention of chloasma.
D003276:Contraceptives, Oral / Q000009:adverse effects; D005148:Facial Dermatoses / Q000517:prevention & control / Q000628:therapy; D005260:Female; D006801:Humans; D010859:Pigmentation Disorders / Q000517:prevention & control / Q000628:therapy; D013472:Sunlight
D003276:Contraceptives, Oral