You've probably seen the lash hack: curl your natural lashes, then pop on a strip lash. But after a decade of applying lashes on myself and friends, I can tell you that shortcut is doing the opposite of what you want. Most strip lashes don't need a curler—and using one is often why your lashes won't stay flat.

THE REAL REASON YOUR STRIP LASHES WON'T STAY FLAT

Strip lash bands are pre-curved. That curve is designed to match your eye's natural shape. When you curl your natural lashes first, you're creating a second, steeper curve that fights the band. The band can't sit flush against your skin, so it lifts in the inner corner or pops up at the outer edge. Reddit users call it "the lash flip." I've heard clients say, "My lashes look like they're giving up by noon." The problem isn't the lash. It's the extra curl.

Your natural lashes already have an arch. Even straight lashes point outward at an angle. A good strip lash band is made to sit right along that line. If you clamp on a curler, you change the angle of your natural lashes so no band can follow it properly.

WHEN A LASH CURLER ACTUALLY HELPS (AND WHEN IT DOESN'T)

There's one narrow case where curling before a strip lash makes sense: when your lashes point straight down and physically push the lash band away from your skin. That's rare. For most people, the curler creates a problem, not a fix. Here's the rule I follow now:

• Curl before applying: only if your lashes point down and block the band.
• Skip the curler completely: if you're using a strip lash with a curved, memory band.
• Curl after applying: if your strip lashes are made of a soft fiber that won't kink, and you want extra lift at the outer corner.

The reason this matters isn't comfort. It's the difference between lashes that look baked-on and lashes that look like they're growing from your eyelid.

WHAT TO LOOK FOR IN STRIP LASHES IF YOU'RE OVER THE CURLER

If you never want to rely on a curler again, you need a lash band that does the lifting for you. Look for words like "memory band" or "curved band" in the product description. In my experience, a memory band is the #1 factor in whether a strip lash stays flat for 12 hours.

Curl-first strip lashes	Curved-band strip lashes
Band lifts at inner corner	Band follows your eye's curve
Needs extra tools and product	Slides on and stays put
Looks obvious and heavy	Looks like your best lash day

When you stop fighting your own lashes, application time drops from 15 minutes to under 5. That's not a marketing line—that's the difference a correct band curve makes.

YOUR LASH CURLER STRIP LASH MYTH, ANSWERED

IS IT HARMFUL TO USE A LASH CURLER WITH STRIP LASHES?

Not necessarily dangerous, but it can pull on your natural lashes and cause breakage if you do it daily. It also makes strip lashes harder to apply.

CAN I CURL MY NATURAL LASHES AFTER APPLYING STRIP LASHES?

Only if your lash fiber is heat-safe and flexible. Many synthetics crinkle or bend permanently if you squeeze them with a metal curler.

DO I NEED A LASH CURLER FOR INDIVIDUAL LASHES?

No. Individual lashes are applied to your natural lash, and any curl in the individual lash should match your natural lash. A curler will disrupt that match.

That's why when I set out to create lashes for PHANSTA LASHES, I made the curved band the foundation. No curler required.

📚 Browse our complete library of lash guides →