Pityriasis versicolor is a worldwide superficial fungal infection with incidence rate of 50% of Western Samoa, 1,1% in the Sweden dan approximately 2-8% of the population in United States. Galangal (Alpinia galanga Linn) rhizome is herb which have antifungal effect.Ketoconazole is an effective antifungal agent for the treatment of P. versicolor. The purpose of the study was to compare the antif…