However, many women give up curling their Lash Rejuv Eyelashes because they do not know how to do it correctly or find the task too difficult to achieve. However, with the right technique and a little patience, curling the lower lashes is possible. The Lash Rejuv addition of heat to the Lash Rejuv Eyelash curler will result in a more complete curl that lasts longer. Instructions: Clean lashes with makeup remover. Apply two layers of tab masks to the bottom and upper tabs. Allows the tabs to dry between applications.