Enhance the beauty of your eyes with the guerlain ecrin 1 couleur long lasting eyeshadow silky powder a beautiful single eye colour ecrin 1 couleur presents the reinvention of a beauty essential a single shade of eye colour available in a kaleidoscope of shades that lasts all day long choose your finish matte or metallic and create an eye look as original as you are each shade incorporates guerlains signature lastever technology featuring gel coated pigments that stay put throughout