How do you apply false eyelashes step by step? How to Put on Fake Eyelashes in 5 Easy Steps Prep Your Natural Lashes. After completing your eyeshadow and eyeliner application of choice, curl your lashes and apply mascara. ... Apply Glue to the Eyelash. ... Wait for the Glue to Dry Slightly this process will take about 30 seconds Adhere the Strip to Your Lash Line and Press It Into Place. ... Apply Black Eyeliner to Hide the Lash Strip.