The "Aegyo-sal" filler trend: Cute under-eye volume

March 28, 2026

Introduction

The “Aegyo-sal” filler trend has become extremely popular in Korea, especially among young adults seeking a cute, youthful under-eye appearance. Aegyo-sal refers to the slight puff or fatty fold just under the lower eyelid that naturally creates a soft, smiling look. Dermal fillers can enhance this feature, giving the under-eye area a plump, lively appearance without surgery.

1. What Aegyo-sal Fillers Are

How It Works

  • Hyaluronic acid-based dermal fillers are carefully injected into the under-eye area
  • Creates a subtle “pouch” that mimics natural Aegyo-sal
  • Designed to enhance the lower eyelid’s contour without causing puffiness

Benefits

  • Softens the under-eye shadow, making the eyes appear larger and brighter
  • Creates a youthful, friendly expression
  • Non-surgical and minimally invasive

Best For

  • Individuals with flat or hollow under-eyes
  • Those wanting a natural, cute under-eye aesthetic
  • Patients looking for a quick procedure with little downtime

2. Procedure Details

Treatment Process

  • Consultation to assess under-eye volume and facial symmetry
  • Precise injections of filler under the lower eyelid
  • Session duration: approximately 20–30 minutes

Sensation

  • Mild discomfort during injections
  • Ice packs or topical numbing may be used for comfort

Downtime

  • Minimal; slight swelling or mild bruising may occur for a few days
  • Makeup can usually be applied after 24 hours

3. Results & Timeline

Immediate Effects

  • Subtle volume and lift visible right after treatment
  • Under-eye area appears brighter and more defined

Optimal Results

  • Filler settles over 1–2 weeks
  • Final look is natural, maintaining a soft, youthful curve under the eyes

Longevity

  • Typically lasts 6–12 months depending on filler type and metabolism
  • Maintenance treatments recommended to preserve appearance

4. Considerations & Safety

Candidate Suitability

  • Those with minimal lower eyelid fat or mild hollowness
  • Avoid if prone to severe swelling or sensitive to fillers

Potential Risks

  • Temporary bruising, swelling, or mild tenderness
  • Rare complications like unevenness or vascular issues if improperly injected

Clinic Expertise

  • Precision is critical in the under-eye area
  • Choose an experienced injector to avoid overfilling or unnatural puffiness

5. Complementary Tips

Before Treatment

  • Avoid alcohol or blood-thinning medications 24 hours prior
  • Discuss expectations and facial symmetry with your provider

After Treatment

  • Gently apply cold compresses to reduce swelling
  • Avoid rubbing or massaging the area
  • Follow-up visit to assess results and touch up if needed

Final Thoughts

The Aegyo-sal filler trend in Korea provides a cute, youthful under-eye enhancement without surgery. With careful injection, precise planning, and proper aftercare, patients can achieve a naturally plump and lively under-eye area, creating a bright, friendly expression while maintaining subtlety and balance.

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