You're halfway through your makeup and the outer corner pops up.

You press it down.

Thirty seconds later, it's back.

If your false lashes keep lifting, the glue usually isn't the only problem.

Here are the most common causes.

1. The lash is too long

This is probably the first thing I'd check.

If the strip is longer than your eyelid, the band is constantly under tension.

One end wants to spring upward.

Take the lash off, measure it against your eye and trim a small amount from the outer edge.

Don't try to force an oversized strip into place with extra glue.

2. You're applying the glue too wet

Fresh lash glue is slippery.

If you put the lash on immediately, it moves around instead of gripping the skin.

Apply a thin line of adhesive and wait until it becomes tacky.

Then place the lash.

The difference is huge.

3. You're not using enough glue at the corners

The entire band doesn't need a thick layer.

The ends do benefit from a little extra.

Add slightly more adhesive to the first and last few millimeters of the band.

Those are the areas taking the most movement when you blink.

4. The band is too stiff

Some dramatic lashes use thicker bands.

They can look fantastic, but a rigid band doesn't always want to follow a curved eyelid.

Before applying it, gently bend the strip back and forth to soften the curve.

You can also switch to false lashes with a flexible band if stiff strips regularly cause trouble.

5. There's makeup or oil underneath

Glue sticks best to a clean, relatively dry surface.

Heavy eye cream, oily concealer or slippery eyeshadow around the lash line can weaken the bond.

You don't need to strip off your makeup.

Just avoid putting oily products directly where the lash band will sit.

6. You're placing the lash too far from your natural lashes

The closer the strip sits to your actual lash line, the more naturally it follows the eyelid.

A lash positioned too high has fewer stable points of contact.

Look slightly downward into a mirror and place the strip as close to the natural lashes as comfortably possible.

7. Your inner corner is too close to the tear duct

This causes both lifting and discomfort.

If the lash starts too far inward, every blink pushes against it.

Move the inner edge slightly outward.

You may find the lash suddenly feels much lighter too.

What if only the outer corner lifts?

Trim the lash first.

Outer-corner lifting is frequently caused by excess length.

If the fit is correct, clean the area and add a tiny amount of fresh adhesive just under the lifted end.

Wait until it becomes tacky before pressing it down.

What about conventions?

Long days expose every weakness in a lash application.

Heat, movement and repeated facial expressions make bad fit more noticeable.

For cosplay, I'd prioritize lightweight lashes made for long wear over the heaviest possible strip.

You can create drama through shape and eyeliner without making the lash physically uncomfortable.

The simple checklist

Before blaming your glue, check:

  • Is the lash trimmed?
  • Is the band flexible?
  • Did the glue become tacky?
  • Are the ends properly coated?
  • Is the band sitting close to your lashes?
  • Is your eyelid free of oily product?

Fixing just one of those often solves the problem.