CND SHELLAC Snakeskin Effect Apply a thin coat of CND Dark Dahlia Shellac& cure for two minutes. Apply a thin coat of CND Steel Gaze Shellac. Wrap nail in a piece of tulle and cure for 60 seconds. Remove tulle. Lightly dust random areas of the nail surface with CND Additive Titanium Pearl. Apply one thin layer of Shellac Top Coat & cure for two minutes.