They are also called "double-volume-lashes". 2D eyelash extensions are for women who want to achieve a medium eyelash volume without the need for daily mascara application. The effect of additional volume and a more expressive look gets achieved by attaching two extension onto one natural eyelash. Women who already tried "classic" lashes, often decide to go one nuance more volume. By attaching thin extensions, the look becomes more natural and lighter. If the customers natural eyelashes are naturally thicker, the look will be especially impressive. If the eyelash extension style fits to the client’s eye shape, the eyes can be visually corrected if necessary. 2D lash extensions are one of the most popular techniques, as they give the lashes density, while maintaining a natural look.