Different types of tea are used as medicines or natural remedies. We know the health benefits of green tea. We also know how much oolong tea is good for health. But what about white tea and what is white tea? Fully fermented tea is black tea, green tea doesn't go through any fermentation process and oolong tea is in somewhere in the middle- richer than green and lighter than black tea. On the other hand white tea leaves are picked and harvested before the leaves open fully. In this time buds are covered by fine white hair.