heat, oily skin, birth control pills, humidity, pregnancy and corticosteroids.
Tinea versicolor yeasts are not contagious.
Leucoderma, also known as vitiligo, is a rare skin disease characterized by white spots and patches. The white patch or spot is called as leucoderma and when it occurs without any preceding disease it is called Vitiligo.
Some of the perceived causes are emotional stress, hereditary factors, worms, sunburns and physical illness.