Abstract: An artificial lash extension system includes lash extensions designed for an application under a natural lash. First lash extensions designed for an application at an underside of upper natural lashes each include first artificial hairs and a first base from which the first artificial hairs protrude, wherein the first base includes a top side designed to attach to the underside of the upper natural lashes. Second lash extensions designed for an application under the first plurality of lashes each include second artificial hairs, and a second base from which the second artificial hairs protrude, wherein the second base includes a top side designed to attach to at least part of a bottom side of one or more of the first lash extensions.