Although some variations of white tea are steamed and a few are rolled before packing, most aren't. This makes it the the very least processed tea. When the tea is harvested, it is processed by way of a withering and drying section to scale back humidity. For white tea, https://augustnykue.goabroadblog.com/29973190/an-unbiased-view-of-green-tea-vs-white-tea-for-skin