Walk into any beauty aisle and you'll find approximately 47 different lash tools, all claiming to be essential. They're not. After testing more products than we care to admit, we've narrowed it down to the handful of things that actually make a difference. Start here, and add more only if you find yourself needing it.
Curved lash tweezers
This is the one tool that genuinely changes everything. Curved tweezers let you grip the cluster band and place it right at the lash line without your fingers getting in the way. Look for a pair with a fine tip and a comfortable grip — you'll be holding these for a while. Straight tweezers work in a pinch, but curved ones give you far more control.
Pro tip: Test the tension before you buy. Tweezers that are too springy or too stiff will make precise placement frustrating.
A good lash adhesive
Not all glues are created equal. You want a latex-free formula that dries clear, has a reasonable working time (20–30 seconds of tackiness), and holds for at least a day. Avoid anything that dries instantly — you won't have time to adjust placement. We go deeper on specific glue picks in the glue ranking post, but for now: clear-drying, latex-free, medium-hold.
Pro tip: Store your lash glue upright with the cap on tight. Air exposure thickens the formula fast and shortens its shelf life.
A spoolie brush
You probably already have one of these from an old mascara wand — clean it off and it works perfectly. A spoolie is what you use to blend your clusters with your natural lashes after placement. It also helps separate any lashes that clump together during application. Disposable spoolies are cheap and worth keeping a pack of.
Pro tip: Run the spoolie through your lashes in a zigzag motion rather than straight through — it catches more lashes and blends better.
Small scissors or a lash trimmer
Clusters almost always need trimming to fit your eye shape. A pair of small, sharp scissors — nail scissors work great — lets you trim the outer edge cleanly without crushing the band. Some brands sell dedicated lash trimmers, but honestly, a good pair of nail scissors does the same job.
Pro tip: Always trim from the outer end of the cluster, not the inner. The inner end has the shorter lashes that frame the inner corner of your eye.
Lash sealant (optional but worth it)
A lash sealant is a thin, flexible coat you brush over your finished look to lock everything in place. It's not strictly necessary, but if you want your clusters to last through a long day, a workout, or a night out, it makes a real difference. Apply it like a top coat — one thin layer over the band and base of the clusters.
Pro tip: Let the sealant dry fully before touching your lashes. It only takes about 60 seconds but skipping this step makes it gummy.
Lash Girl USA creates beginner-focused guides about DIY lash clusters, application techniques, tools, styles, retention, and product selection.