Word of this mask is spreading like wildfire! Must. try. it. This is Mask White by Seikisho (this is also seen branded as Sekkisei). Funny you should see that it is called Mask White, as this mask is jet black. This is part of a line of products from Japan (I think-please correct me if I am wrong) that is very focused on the use of herbs and on lightening the skin - including things ...