To exaggerate the lashes, many pros layered mascara on the top and bottom lids. Some even employed "tricks" such as stacking to strips of false lashes at Marc Jacobs or wedging fabric between the lashes at Louis Vuitton
Pro Tip: For thick lashes that aren't overpowering, apply a black volumizing mascara followed by a brown one, this will give the lashes density, but the brown color makes them look more natural.
