Possible Clues:

• Relating to skin
• Describes the largest organ produced by the German music institute and college
• Like layer of skin partially under microscope
• Skinny vermin almost entirely squashed by upstanding cardinal
• Germany gets old police to hide Frenchman in relation to skinhead perhaps
• Consisting of or relating to skin
• Of skin
• This might make one skinny and begin to turn red (6)