Aegyo Sal: What It Is + How to Get the Korean Under-Eye Look

If you've spent any time watching Korean makeup tutorials or scrolling through K-beauty content, you've probably heard the term aegyo sal. It's the name for those soft, slightly puffy cushions of skin that sit just beneath the lower lash line, and in Korean beauty culture, they're considered one of the most charming features a face can have.

Not to be confused with under-eye bags (a completely different thing, more on that below), aegyo sal is associated with youth, innocence, and that bright, wide-eyed look that defines the K-beauty aesthetic. Entire makeup tutorials are devoted to creating it. Celebrities are praised for it. And skincare routines are built to support the delicate eye area where it lives.

This guide covers everything: what aegyo sal actually is, why it became a beauty ideal in Korea, how to create or enhance it with makeup, and which skincare ingredients and products help keep the eye area looking its youngest and most luminous.

Aegyo Sal vs. Under-Eye Bags, What's the Difference?

This is genuinely the first question people ask, because from a distance they can look similar. The difference is in anatomy, location, and what's causing the fullness.

Aegyo sal (애교살 in Korean) refers specifically to the small, firm-ish fatty cushion that sits directly under the lower lash line, immediately below the lashes, in the same orbital rim zone. In younger faces, this pad of fat is naturally present and creates a rounded, soft fullness that makes the eyes look bigger and more expressive. It's essentially the lower-eye equivalent of how a rounded apple cheek makes a face look youthful.

Under-eye bags are a different structure entirely. They sit further down, below the orbital rim, in the hollow beneath the eye. They're caused by fat herniation (fat pushing forward through weakened tissue), fluid retention, loss of collagen in the skin, or a combination of all three. They tend to look heavier, are often accompanied by discoloration, and give the face a tired rather than youthful appearance.

The reason aegyo sal is considered attractive while under-eye bags are not comes down to position and what they signal. The small, firm cushion directly under the lash line is present in young skin and gives the eye an animated, alive quality, it catches light and creates subtle shadow that makes the iris look larger. Under-eye bags reflect structural changes that come with aging or poor sleep. Same general area, completely different stories.

Koreans also distinguish between the two in everyday language: aegyo sal is talked about with affection, while the term for under-eye bags (다크서클, or "dark circles") carries the same mild negative connotation it does in English.

Why Aegyo Sal Is a Korean Beauty Ideal

To understand why Koreans specifically love this feature, you have to understand the broader K-beauty aesthetic: the goal isn't chiseled or dramatically defined, it's youthful, soft, and luminous. The ideal isn't angular and mature; it's round and fresh. The "innocent" or "puppy" look, often called innocent beauty (순수미), is the aesthetic currency of Korean pop culture.

Aegyo sal fits perfectly into this framework. The word itself tells you everything: aegyo (애교) means charm, cuteness, or the quality of being endearing, the kind of softness that makes a person seem warm and approachable. Sal (살) simply means flesh or fat. So aegyo sal is literally "charming fat", a feature named for the quality it communicates rather than its anatomical function.

In Korean pop culture, prominent aegyo sal has become closely associated with the puppy-eye aesthetic. Idols and actors known for the feature include IU, whose natural aegyo sal is considered part of her signature girl-next-door appeal; Taeyeon; Rosé of BLACKPINK; and countless others who either naturally have the feature or recreate it with makeup for performances and shoots. When fans discuss what makes a particular idol's face "cute" or "youthful," aegyo sal frequently comes up in the same breath as eye shape and lip form.

The feature also carries a subtle connotation of expressiveness, people with visible aegyo sal look like they're on the verge of smiling even at rest, which reads as warmth. In a beauty culture that prizes approachability alongside youth, that's a powerful combination.

How to Create Aegyo Sal with Makeup

The good news: aegyo sal is one of the more achievable makeup effects. It requires no complex blending technique, just understanding the light and shadow mechanics that make the feature read on camera and in person.

What You Need

A highlighting product, sheer shimmer eyeshadow, highlighter pencil, or shimmery concealer (something with a faint glow, not a full glitter)
A soft, warm-toned shadow, something slightly deeper than your natural skin tone, in a peach, light brown, or rosy beige
A fine-tipped brush or your ring finger for application
Optional: a nude or skin-toned eyeliner pencil

Step-by-Step Technique

Step 1: Apply highlight along the lower lash line. Using a shimmery eyeshadow or highlighting product, apply a thin line or soft wash directly under your lower lashes, from the inner corner to about two-thirds of the way out. This mimics how natural aegyo sal catches light from above. Keep it close to the lash line; you're not contouring the whole under-eye, just illuminating the upper edge of where the cushion would sit.

Step 2: Add the shadow beneath the highlight. Directly below the highlight (a millimeter or two down), use your warm-toned shadow to draw a very soft shadow line. This creates the illusion of depth, the shadow reads as the crease beneath the little cushion, which is what makes it look three-dimensional rather than flat. Keep this shadow extremely soft; if it looks harsh or dark, it reads as tired rather than youthful.

Step 3: Blend the shadow edge down. The bottom edge of the shadow should fade out completely. If there's a hard line, it looks drawn-on. Use a clean finger or brush to soften it downward so it disappears into bare skin.

Step 4 (optional): Nude liner on the waterline. Lining the inner rim of your lower lid with a nude or pink-toned pencil makes the whites of your eyes look bigger and the whole eye look more open, this amplifies the innocent, awake quality that aegyo sal is supposed to create.

The No-Makeup Makeup Approach

For everyday wear, skip the shadow step and use only a very sheer, skin-toned shimmer along the lash line. The goal is for people to notice that your eyes look particularly alive, not to notice makeup. A barely-there glow that catches light naturally is more effective for this look than a defined application. When in doubt, use less than you think you need, aegyo sal is a softness effect, not a graphic one.

Some people also find that a light tap of a peach-toned concealer (one shade lighter than their skin) under the lower lash line creates the highlight effect without any shimmer at all, which is especially good for daytime or natural settings where shimmer might look off.

Skincare for the Eye Area

Here's where beauty culture and skincare actually connect: the reason natural aegyo sal looks good, and continues to look good as someone ages, is that the skin over it is smooth, hydrated, and free of fine lines and discoloration. The makeup technique works best when the canvas underneath it is well-maintained.

The under-eye area is one of the thinnest, most delicate zones on the face. It has very few sebaceous glands (meaning it doesn't self-moisturize the way cheeks do), is constantly in motion from expression, and shows the effects of sun exposure, dehydration, and collagen loss earlier than most other areas.

Good eye-area skincare does three things that directly support how the eye area looks:

Maintains hydration so the skin looks plump and light-reflective rather than dry and crepey
Supports collagen so the orbital structure retains its youthful shape over time
Reduces discoloration so any natural fullness in the area reads as healthy rather than tired

Korean skincare brands take eye care seriously, which is one reason the K-beauty lineup of eye products is so strong. Below are some standout options from our collection.

Eye Serums, for targeted, concentrated treatment:

AESTURA REGEDERM 365 RETINOID EYE SERUM 15ml, $44.05
AXIS-Y Vegan Collagen Eye Serum 10ml, $18.00
Dr.Jart+ Brightamin Brightening Eye Serum Stick 3.6g, $74.88
innisfree Green Tea PDRN Bounce Booster Eye & Lip Serum 15ml, $33.00

Eye Creams & Gels, for daily moisturization and firming:

REJURAN Advanced Active Night Repair Eye Cream 15g, $135.20
REJURAN Intensive Eye Cream 20ml, $109.20
REJURAN Healing Eye Gel 15ml, $50.96
VT Reedle Shot Lifting Eye Cream 15ml, $64.00
medicube Kojic Acid Turmeric Vita Eye Gel Serum 30ml, $75.00
mixsoon Bean Eye Cream 20ml, $48.25
TOCOBO Collagen Brightening Eye Gel Cream 30ml, $39.85

Eye Patches, for intensive treatment sessions:

Ingredients That Support Under-Eye Youthfulness

If you want to be intentional about eye-area skincare, not just moisturizing, but actually targeting the things that affect how youthful and luminous the area looks, here are the ingredients worth knowing.

Retinoids, the gold standard for collagen support

Retinoids (including retinol, retinal, and retinoid derivatives like retinyl retinoate) are the most research-backed ingredients for supporting collagen synthesis and increasing cell turnover in the skin. Around the eye area, they help address fine lines, crepiness, and the gradual loss of structural support that makes the orbital area look hollow or baggy with age.

The challenge is that the eye area is delicate and can become irritated with standard retinol concentrations. Look for formulas specifically developed for the eye zone, the AESTURA REGEDERM 365 RETINOID EYE SERUM 15ml is designed exactly for this, delivering retinoid actives in a gentler delivery system calibrated for the orbital area. The [Beauty of Joseon] Revive Under Eye Patch Ginseng + Retinal 93g/60ea uses retinal (a more potent but stable form) in a patch format that delivers the ingredient while you sleep without the irritation risk of a leave-on serum applied too close to the lash line.

Peptides, signals for collagen production

Peptides are short chains of amino acids that act as signaling molecules in the skin, they essentially tell fibroblasts to produce more collagen and elastin. For the eye area, they work best in combination with other actives rather than as standalone treatments, and they're generally well-tolerated by sensitive skin. The REJURAN Advanced Active Night Repair Eye Cream 15g and REJURAN Intensive Eye Cream 20ml both use REJURAN's signature PDRN (polynucleotide) technology, which is a step beyond standard peptide formulas, PDRN is derived from salmon DNA and has strong evidence for promoting skin regeneration and collagen synthesis.

Caffeine, for reducing puffiness

Caffeine is a vasoconstrictor that temporarily reduces fluid accumulation in under-eye tissue, which is why it's a staple in eye creams for morning use. It doesn't address the underlying structural causes of puffiness or bags, but it reliably reduces the appearance of both for several hours after application, which makes the eye area look cleaner and more awake. Many of the gel formulas in the lineup above contain caffeine or related methylxanthines for this reason.

Ceramides and barrier ingredients

Because the eye area has so few sebaceous glands, it's highly prone to transepidermal water loss, the kind of dehydration that makes skin look flat, dull, and crepey. Ceramides, fatty acids, and humectants like hyaluronic acid work together to keep the lipid barrier of the under-eye skin intact. Hydrated skin looks plumper and more light-reflective, which directly affects how the eye area looks at rest. The mixsoon Bean Eye Cream 20ml and Abib Collagen eye crème Jericho rose tube 30ml are particularly strong in this category, lightweight enough for daily use, but genuinely moisturizing for even the driest under-eye areas.

Collagen-supporting ingredients

Beyond retinoids and peptides, collagen-adjacent ingredients like niacinamide, vitamin C, and plant-derived collagen (such as the vegan collagen in AXIS-Y Vegan Collagen Eye Serum 10ml) support the brightness and structural integrity of the eye area. Niacinamide in particular addresses both discoloration and barrier function simultaneously, making it one of the most practical ingredients for under-eye care.

Frequently Asked Questions

Is aegyo sal surgery permanent?

Yes, aegyo sal augmentation (sometimes called aegyo sal filler or fat grafting) is a cosmetic procedure popular in Korean aesthetic clinics. Hyaluronic acid filler placed under the lower lash line lasts anywhere from 6 to 18 months depending on the filler type and individual metabolism. Fat grafting (using the patient's own fat) is more permanent but also more variable in outcome. Both are minor outpatient procedures when performed by experienced practitioners.

Does aegyo sal fade with age?

Yes, naturally. The small fat pad that creates aegyo sal is part of the orbital fat compartment, and like all facial fat, it changes with age, sometimes redistributing downward, sometimes simply deflating. This is one of the reasons the feature is associated with youth: it tends to be most prominent in teens and twenties, and becomes less defined with age. Makeup can recreate it indefinitely; skincare can slow the changes in the overlying skin quality even if it can't preserve the fat structure itself.

What's the best makeup technique for aegyo sal if I have hooded eyes?

For hooded eyes, the light-and-shadow technique still works, but you'll want to be more precise with the highlight placement, hugging the lash line very tightly rather than adding width. A slightly warmer-toned, less shimmery highlight can also read more naturally on hooded eye shapes than a cooler metallic shimmer. The key is keeping everything small and close to the lash line so it doesn't visually close the eye further.

Can skincare actually help create or enhance aegyo sal?

Skincare can't create the fat structure of aegyo sal, but it absolutely affects how the eye area looks. Well-hydrated, smooth, even-toned under-eye skin makes the natural eye-area structure more visible, the subtle fullness that's already there shows better when the skin is luminous rather than dull or crepey. Think of it as enhancing what you have rather than creating something new. Eye creams, serums, and regular use of patches all contribute to this over time.

Are aegyo sal fillers worth it?

For people who no longer have natural aegyo sal or whose eye area structure has changed with age, filler can be a genuinely good option, it's one of the more subtle, natural-looking applications of facial filler when done conservatively. The main considerations are practitioner skill (placement is precise), cost (typically $300-600 per session in major cities), and the temporary nature of the result. Anyone considering it should consult with a board-certified dermatologist or plastic surgeon who specifically has experience with lower-eyelid aesthetics, as this area is more technically demanding than lip or cheek filler.

Shop the Eye Care Collection

Whether you're building a skincare routine to support the eye area or looking for specific treatments, the full eye care range at Mirai Skin covers every concern, from daily moisture to intensive collagen support.