Best False Lashes for Monolid Eyes: What Works, and Why

A monolid has no visible crease, so the lid is flat and full from the lash line all the way to the brow. That single anatomical difference changes four things about choosing a false lash: which band you can get away with, how much curl you need, how long the fibres can be, and where you place the lash. Here is what works on a monolid, what does not, and the reason behind each.

Written by Shirley Be, Youthphoria founderPharmacist (BPharm), cosmetic chemist, 5x certified master lash artist and skin therapist. Shirley sees clients in person at Youthphoria's Balwyn North salon in Melbourne.

Why monolid eyes need a different lash, anatomically

A visible upper eyelid crease is created by fibres at the end of the levator aponeurosis, the tendon of the muscle that lifts your eyelid. Those fibres fan out and insert into the skin and the muscle just above the lash line, so when the eye opens, the skin is pulled inward and a fold appears.¹

In a monolid, sometimes called a single eyelid, those skin insertions are absent, weak, or sit too low to produce a visible fold. The orbital septum also fuses to the levator lower down, which lets a pad of pre-aponeurotic fat sit further forward, and there is usually a thicker layer of fat under the skin as well.² The practical result is the part everyone with a monolid already knows: the lid is smooth, full and flat, and it stays that way whether your eye is open or closed.

1. The band is always on show, so make it disappear

Most false lashes are built on a black cotton or plastic band roughly 0.5mm thick. On a creased lid, you can bury that under the fold or paint over it with liner. On a monolid the band sits out in the open on flat skin, where it reads as a dark stripe floating above your real lash line. It is the number one reason monolid wearers say false lashes "look obviously fake on me".

There are two ways out of this in the Youthphoria range, and they solve it differently.

Invisible magnetic bands

The Invisible Magnets range replaces the six discrete micro-magnets used in the classic range with a fully magnetic band that has no visible magnet blocks in it. There is nothing hard or shiny sitting on the lid, and the band is finer and more flexible, so it follows a flat lid contour rather than bridging across it.

Crystal Clear bands

The Crystal Clear band range has no magnets at all. It is a transparent, highly flexible band applied with the Crystal Clear Adhesive Eyeliner, which dries clear rather than black. For a monolid this is the most forgiving combination available, because both the band and the adhesive are invisible. It also means you are not committed to wearing black liner every time you wear lashes, which on a flat lid can quickly look heavy.

The Crystal Clear bands are also the narrowest in the range. Modest and Dream are 27mm, against 33mm to 34mm for most of the classic magnetic styles. Narrow band width matters if your eye opening is on the smaller side, which often goes together with a monolid, though the two are separate features. There is more on width in our guide to magnetic eyelashes for small eyes and Asian eyes.

2. Curl does more for a monolid than length does

Because the lid skin sits directly over the lash root rather than lifting away from it, monolid lashes commonly grow straight forward or angle slightly downward. Adding length to a lash that points down gets you a longer lash pointing down. Adding lift at the base changes the direction the whole lash travels, and that is what visually opens the eye.

This is why Serena works so well on monolids despite being one of the shorter styles in the range at 5mm to 9mm. It is a rounded semi-volume hybrid with genuine lift at the base, on a 32mm band. It gives direction rather than distance.

3. Keep fibres between 5mm and 11mm

This is the one place where the long and extra long styles genuinely underperform, and we would rather say so than sell you the wrong lash. On a creased lid, a 14mm fibre has open space in front of it. On a monolid, the full flat lid is in the way, so long fibres press back against the lid and brow bone instead of fanning out, they lose their curl faster, and they brush skin on every single blink. That is the source of the constant tickle that makes people give up on lashes.

Styles in the 5mm to 11mm band that suit a monolid include Stellar (6mm to 11mm), Sirius (5mm to 11mm), Modest (7mm to 10mm), Serena (5mm to 9mm) and Fantasy (5mm to 9mm).

4. Texture beats density on a flat lid

A dense lash with uniform fibre lengths has no visual depth. Held flat against a monolid, with no crease shadow behind it to create separation, it reads as a solid dark bar sitting on your lid. It is the same reason a block of eyeliner looks heavier on a monolid than on a creased eye.

Criss-cross and wispy constructions solve this. Fibres cross over each other at varying heights, which creates gaps, shadow and depth, and the eye reads that as lashes rather than as a line. Sirius is the clearest example: a criss-cross, textured, wispy, round style on a 32mm invisible band. Modest does the same thing on a clear band.

Fibre diameter contributes too. Our Signature Faux Silk styles use a 0.03mm fibre against 0.07mm for the Luxe Faux Mink range. A finer fibre reads softer at close range, which is exactly the range at which a flat lid is inspected.

5. Height over width: round and doll-eye, not heavy cat-eye

A monolid benefits from anything that adds vertical lift through the centre of the eye. Round and doll-eye shapes concentrate their longest fibres in the middle, which pushes the eye open upward.

A heavy outer flare does the opposite. It pulls the visual weight sideways and down, and if your outer corner sits low, a strong cat-eye will emphasise that rather than counteract it. This does not mean you can never wear a flare, but it does mean a soft one, capped in length. Estelle is the version we would recommend: a soft cat-eye at 7mm to 10mm on a narrow 31mm band, in 0.03mm silk fibre, so the flare is a suggestion rather than a statement.

The picks, by what you actually want

Specifications side by side

What to skip, and why

We would rather you buy one lash that works than three that sit in a drawer. On a monolid, these are the ones to leave alone until you know what you like.

• Anything over 12mm. Astral (7mm to 15mm), Mystic (9mm to 14.5mm), Divine (8mm to 14.5mm), Crystal (8.5mm to 14mm) and Tiger Lily (9mm to 14mm) are beautiful lashes on a creased or deep-set eye. On a flat full lid they press rather than fan.
• Strong cat-eye flares, particularly if your outer corner sits level with or below your inner corner. Save Tiana and Mulan for a big night, not for learning what suits you.
• Wide, stiff bands. 34mm bands need trimming on most monolid eyes. If you do trim a magnetic style, always cut back to the next magnet so the end of the band still has grip.
• Dense uniform-length styles with no criss-cross, for the flat-dark-bar reason above.

Application: the one change that fixes most monolid problems

The lid skin on a monolid covers the lash root, so if you place the band exactly on your natural lash line the way the instructions on most packets describe, the band ends up tucked under skin and the lash points down. Place it a fraction above the natural lash line instead. That single adjustment is the difference between a lash that lifts and a lash that hides.

Full technique, including removal and cleaning, is on our how to apply magnetic eyelashes page. Looked after properly, Youthphoria magnetic and clear band lashes give 30+ wears.

Frequently asked questions

Related reading

• Best false lashes for hooded eyes
• Best magnetic eyelashes for small eyes and Asian eyes
• Thin band and lightweight false lashes
• What invisible magnetic lashes actually are
• The Crystal Clear band explained
• Short magnetic eyelashes