'Stickies' refers to eyelashes that have stuck together during a lash extension procedure. Stickies can harm the natural lashes and lead to irritation, but they are preventable! Types of lash extension stickies This is when two natural lashes get stuck together. This can happen if you place a lash down and then remove it. Glue residue can remain on the natural lash, causing it to stick to a neighbouring lash. These can be the most difficult to spot when checking your work. T