Crossword clues for Outer skin layer. 8 letters:ECTODERMOuter skin layer.ECTODERMOuter germ layer that develops into skinEPIDERMALOf the outer skin layerEPIDERMISOuter skin layerEPIDERMISOuter layer of skinEPIDERMISOuter layer of the skinCUTISThe two outer layers of the skin, collectively