"Glass Skin" (stylized GLASS SKIN) is a single by Dir En Grey, released on September 10, 2008 in Japan in a regular and limited edition, the limited copy featuring a bonus live track as well as a sticker of the band and a poster. The single was released as a digital download on 17 September 2008."Glass Skin" is one of the two singles to be featured on the album Uroboros, along with its predecessor "Dozing Green".