In battle, the Picts used to dye their faces and skin with blue woad, giving them a fearsome appearance.<ref>[http://www.woad.org.uk/html/britain.html History of Woad]</ref> | In battle, the Picts used to dye their faces and skin with blue woad, giving them a fearsome appearance.<ref>[http://www.woad.org.uk/html/britain.html History of Woad]</ref> |