The large amount of polyphenols found in oolong tea remove free radicals. Drinking oolong tea regularly, prevents skin damage such as dark pigmentation and liver spots that are caused by free radicals.

Oolong or semi-green teas result when the fermentation process is stopped just as the leaves start to turn brown. Oolong tea combines the health benefits of both green and black tea. However, Chinese doctors recommend oolong tea especially for its weight-loss properties.