How to Create Cat Eye Nails with Magnetic Gel Polish
To create cat-eye nails, apply a magnetic gel polish over a base coat, hold a magnet close to the wet gel to pull the metallic particles into a line or halo, then cure it under a lamp to lock the pattern in place.
That's the whole process, and it's one more client is asking for every month. Cat-eye sales have grown an estimated 20% year on year as the trend keeps building.
What nobody tells you before your first attempt is that a flat, glittery finish instead of that deep, shifting shimmer isn't a product problem. It's almost always a handful of small mistakes, and every one of them is fixable the moment you know what to look for.
What Do You Need for Cat Eye Nails?
Nail prep, a base coat, your gel polish colour of choice, the cat-eye gel polish itself, a magnet designed for the particle weight in the formula, and a UV or LED lamp.
A regular fridge magnet will not pull steadily enough. Cat eye gel needs a dedicated magnetic tool built for the job.
How Do You Prep Nails for Cat Eye Polish?
File and shape the free edge, push back the cuticle, and matt the surface lightly to remove shine, then wipe the whole nail down with a dehydrator to strip any oil left behind.
Cat eye gel shows every flaw in the nail underneath, since the layer itself is thin, which is why skipping this step means lifting within a week, however well the magnet work goes.
Creating Cat Eye Nails with Magnetic Gel Polish

Apply the Base Coat.
A thin, even layer, cured fully under your lamp. This is the layer everything else depends on, and rushing it undoes every step that follows.
Choose Your Colour Underneath
Most magnetic gel polish is semi-sheer, which means the colour beneath changes how the whole finish reads. A black or deep jewel tone gives a classic cat eye, sharp, high-contrast, and dramatic against the skin.
A colour that matches the cat eye gel itself gives a softer, multidimensional glow instead, closer to a velvet cat eye than a single stripe. Cure whichever base you choose before moving on.
Paint One Thin Layer of the Magnetic Gel Polish
One coat is usually enough for a full, defined effect, though some formulas need a second for complete opacity.
Roll the bottle gently first, since the metallic particles settle at the bottom between uses and a bottle that hasn't been mixed gives a patchy, uneven pull no matter how good your magnet technique is. Do not cure this layer yet. The gel has to stay wet for the magnet to move anything at all.
Bring the Magnet Close, Without Touching the Wet Gel
Always work the magnet before curing, never after. Once the gel is cured, the particles are locked, and a magnet does nothing.
Around 2 to 5 mm above the nail is the range that shows up consistently across every source worth trusting on this. Hold it steady for 10 to 15 seconds.
For a straight, classic line, keep the magnet parallel to the direction you want the shimmer to run. For a softer halo, tilt it slightly and hover over the centre of the nail instead.
Cure Immediately
This is the single most common place cat-eye nails go wrong.
The metallic particles keep drifting the moment you lift the magnet away, so waiting even a few seconds too long blurs a pattern that looked sharp a moment ago. Work one nail at a time so you're never leaving wet gel waiting while you finish the rest of the hand.
Seal with a Top Coat
Apply a thin layer, cure again, and wipe away any tacky residue.
A glossy top coat brings back the depth that curing sometimes flattens slightly. A matte top coat kills the shine entirely for a more contemporary, muted finish, worth offering as an option rather than a default.
What Makes Cat Eye Nails Magnetic
The iron oxide particles suspended through the gel are paramagnetic, meaning they respond to a magnet without becoming magnetised themselves, and they align along the field lines rather than simply drifting toward it.
That responsiveness only lasts while the gel is wet; once cured, the particles are locked in place and won't move under a magnet again.
That alignment is what separates cat eye from glitter or chrome. Glitter scatters light everywhere, chrome reflects whatever sits in front of it, and a cat eye catches light directionally through a ridge of aligned particles just beneath the surface, the same effect known as chatoyancy in a real cat's eye gemstone.
It's why the finish looks like it's floating inside the nail rather than sitting on top.
Magnet shape decides pattern shape: a bar magnet pulls a straight line, and a rounded one spreads a softer halo. Formula consistency matters just as much; too thick and the particles can't move freely, and too thin and there's nothing dense enough to reflect.
Timing matters most of all, since curing locks whatever alignment exists at that exact moment the light hits.
What Other Cat Eye Patterns Can You Create?
A diagonal pull across the nail elongates the shape and tends to flatter almost any hand.
Two magnetised layers, each pulled at a slightly different angle, build a cat-eye 3D look with genuine depth rather than a single flat stripe.
Shorter nails generally suit a subtle halo better than a hard line, since there's less surface for a stripe to sit on without overwhelming the nail.
A cat-eye finish also pairs well with a French tip, magnetised at the base and left clean at the free edge, or with gold chrome outlines added afterward for a bolder, more editorial look. Once the basic technique is solid, every one of these is just a different magnet position and a bit of patience.
Why Do Cat Eye Nails Look Dull or Stop Working?
Almost every failed cat eye set comes down to a handful of technique issues, not a faulty product.
A dull, flat finish usually traces back to skipping the dark base covered above; even a perfect magnet pull looks washed out without it.
Settled, unrolled pigment, covered in the application steps, is the other common cause of a flat look.
An effect that fails to form at all is almost always about the magnet or the timing. Holding it too far away, at the wrong angle, or moving it too fast pushes particles around instead of gathering them.
The same curing delay covered in the application steps is the most common cause here; even a couple of seconds late and everything drifts back out of position.
Layer thickness plays a part too; too thin and there isn't enough pigment for a dense line, and too thick and the particles can't move freely enough to pull into shape.
A single, medium, even layer gives the magnet something real to work with, and every one of these causes is fixable the next time you sit down to do it.
How Long Do Cat Eye Nails Last?
Cat eye gel nails typically hold for two to three weeks, occasionally stretching to four with careful prep and aftercare, the same range as any well-applied gel manicure.
Cat eye done with regular nail polish rather than gel behaves differently, usually chipping or losing its shimmer within five to seven days, since there's no cure to lock the metallic particles in place.
Prep quality, daily wear, and natural nail growth all affect where in that range you land. Wearing gloves for cleaning, applying cuticle oil daily, and avoiding harsh detergents on bare hands all buy real extra time before a refill is due.
Choosing the Right Cat Eye Gel for the Job

Not every cat eye gel behaves the same way. The difference comes down to pigment quality and how well the formula holds its magnetic charge under a lamp.
Kohana's Cat Eye 2.0 range, ten shades from misty lilacs and blush pinks through to a warm golden beige, is HEMA-free, which matters the moment a client mentions she's reacted to gel before, and formulated to move cleanly under the magnet for a sharp, dimensional finish rather than a soft blur, whether you're covering the whole nail or using it as an accent over existing nail art.
The full Cat Eye 2.0 collection is worth a look, including the colour chart wheels if you're building a display for clients who struggle to choose a shade in the chair.
Most nail professionals pick up the magnet technique through repetition, but timing, pattern control, and why some formulas move better than others under the same magnet are exactly what Kate teaches at the academy.
If cat eye is becoming a regular request in your chair, our nail technician courses are the place to learn it properly rather than piecing it together from trial and error.
How to Remove Cat Eye Gel Polish
Cat eye gel comes off the same way any cured gel polish colour does. You can use Electric File for removal or file the shiny top layer first to break the seal, since acetone won't penetrate a fully intact top coat on its own.
Soak cotton pads in pure acetone, press one against each nail, and wrap in foil to hold it in place for ten to fifteen minutes.
Gently ease the softened gel off with a cuticle stick rather than scraping or forcing it, then finish with a buff and a generous coat of cuticle oil.
One scenario worth knowing about specifically: if cat eye polish needs to come off quickly before a medical scan and there's no acetone or foil available, filing down the top coat and colour layers by hand still works; it just takes longer and needs a steady hand rather than a soak.
Can You Have an MRI Scan with Cat Eye Nails?
A common question we hear is whether Cat Eye gel polish needs to be removed before an MRI scan because of the magnetic particles used to create the Cat Eye effect.
Kate personally discussed this with a radiologist before undergoing an MRI scan while wearing Cat Eye nails and was able to have her scan without removing them.
However, MRI procedures and hospital policies can vary, so we always recommend letting your radiologist or MRI technician know that you are wearing Cat Eye gel polish before your scan and following their individual advice.
If cat eye keeps coming up in your bookings, now's the time to add it to your service menu properly.
Kohana's Cat Eye 2.0 range has the shades, the formula, and the HEMA-free reassurance to back it up, everything you need sitting in one collection rather than pieced together from three different suppliers.
About Kohana Professional
Kohana Professional is an Irish-owned nail brand founded by Kate Kruszynska, a national nail champion and multi-award winner. Beyond cat eye and magnetic gel polishes, Kohana's range covers everything a nail tech needs, from HEMA-free gel polishes and builder gels to chrome powders, nail art gels, and the tools to go with them. If you're building out a cat eye look, it's worth checking out the wider collection, since the base, top coat, and tools are all designed to work together for the cleanest result.