Tinea Versicolor

Tinea versicolor or pityriasis versicolor is a common skin infection caused by the yeast Malassezia furfur (formally termed Pityrosporum ovale). This yeast is normally found on the human skin and only becomes troublesome under certain circumstances, such as a warm and humid environment.

See complete Wikipedia article here.

For more information from the American Academy of Dermatology click here.