"Glass Skin" (stylized as 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.

"Glass Skin" is one of the two singles to be featured on the album Uroboros, along with its predecessor "Dozing Green".

The second B-side, "Agitated Screams of Maggots -Unplugged-", is an unplugged arrangement of the band's 2006 single.

Another B-side for the single, included only with the limited edition, is a live version of Ryōjoku no Ame; the recording is from a concert at Yokohama Blitz on May 23, 2008.

The music video for "Glass Skin" was premiered on MTV in Japan.