Under Eye Rejuran vs Juvelook vs Sculptra: Which Works Best?

November 25, 2025

Under-eye fillers are one of the most popular cosmetic procedures in Korea, especially among international patients who want to brighten dark circles, smooth hollowness, and refresh tired eyes without surgery.
A key question patients ask during consultations is:

“How many CCs do I need for my under-eye fillers?”

The answer depends on your anatomy, degree of hollowness, skin thickness, and whether both sides need the same amount. Here’s a clear breakdown to help you understand typical volumes and what to expect during your visit to a Korean skin clinic.

1. Typical Amount of Filler Needed Under the Eyes

Most patients require:

➡ 0.5–1cc per side

or

➡ 1–2cc total for both eyes

This is the standard range used in Korean clinics.

2. Why the Amount Varies From Person to Person

A. Degree of Tear Trough Hollowing

  • Mild hollow → 0.3–0.5cc per side
  • Moderate hollow → 0.5–0.8cc per side
  • Deep hollow → 0.8–1cc per side

B. Skin Thickness

Thicker skin can hold slightly more product; thinner skin requires caution to avoid puffiness.

C. Filler Type Used

Soft, flexible HA fillers (e.g., Chaeum 1, Restylane Eyelight, or Volbella) integrate well and require lower volume.

D. Under-Eye Shadow vs Hollowness

Not all dark circles are caused by hollowing—pigmentation and skin texture also matter.

3. Why Korean Clinics Often Use Less Filler

Korean clinics prioritize:

  • Natural results
  • Minimal swelling
  • Avoiding puffiness (Tyndall effect)
  • Micro-layer placement
  • Multi-step approach

Rather than injecting a full 1cc right away, many Korean doctors prefer:

“Layering Technique”

Start with 0.3–0.5cc → reassess → add more only if needed.

This produces smoother, more even results.

4. When You Might Need More CCs

You may require 1–1.5cc per side if:

  • You have deep hollowness
  • You’ve lost mid-cheek volume
  • You’ve had aging-related volume decline
  • You need midface support (malar filler)

In these cases, the clinic may recommend combining tear trough fillers with midface/cheek fillers to support the under-eye.

5. What Happens If You Inject Too Much?

Overfilling leads to:

  • Puffiness
  • Water retention
  • Under-eye swelling
  • Blue tint (Tyndall effect)
  • Irregular texture

Korean specialists typically avoid this by using conservative amounts and building up slowly.

6. How Long Do Under Eye Fillers Last?

In Korea, most soft HA fillers last:

9–18 months

With natural metabolism depending on:

  • Lifestyle
  • Sleep
  • Stress
  • Hydration
  • Filler brand
  • Placement depth

7. How Much Does Under Eye Filler Cost in Korea?

Typical pricing in Seoul:

  • ₩250,000–₩600,000 per 1cc
    (depends on brand and clinic)

Premium imported fillers (Restylane, Juvederm) cost more than Korean brands (Chaeum, Yvoire, etc.).

8. Treatment Flow in Korean Clinics

1. Consultation & Diagnosis

Assess hollowness, pigmentation, ligament support.

2. Numbing / Ice

For comfort.

3. Cannula Treatment

Most Korean clinics use cannulas to minimize bruising.

4. Micro-layer Injection

Small amounts placed precisely.

5. Aftercare

Ice packs, no heavy exercise, no sauna for 24 hours.

Entire process takes 10–20 minutes.

Final Answer: How Many CCs?

Most patients need 1–2cc total for natural under-eye correction in Korea.

Breakdown:

  • Mild: 0.5–1cc total
  • Moderate: 1–1.5cc total
  • Severe: 1.5–2cc+ total (with cheek support)

Korean clinics focus on subtle, natural improvements, so expect a conservative and safe approach.

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Fat Herniation (Eye Bags) Puffy fat pads push forward, creating strong contrast and shadowing. F. Lifestyle & Genetics Stress, allergies, lack of sleep, and hereditary factors can worsen the look. Korean dermatologists diagnose the exact type first—because different causes require different treatments. 2. Korean Treatment Options for Under Eye Hollows & Dark Circles Korea stands out because clinics use multi-layered, combination approaches rather than one single treatment. Here are the top options used in Seoul. 1. Under Eye Filler (Tear Trough Filler) Perfect for hollowness , shadowing, and volume loss. How it works Soft HA filler is placed under the tear trough to lift shadows and smooth the under-eye. Benefits Immediate brightening Natural correction Minimal downtime Long-lasting (9–18 months) Best for Sunken eyes Deep tear troughs Hollow dark circles 2. Rejuran I (Under-Eye Skin Booster) Highly popular in Korea for improving darkness caused by thin skin . How it works PN (polynucleotide) injections boost collagen and thicken thin under-eye skin. Benefits Brightens darkness Improves texture Strengthens thin skin Best for Bluish/purple under-eye tone Tired-looking eyes 3. Laser Pigmentation / Vascular Laser Targets brown, gray, or vascular pigmentation under the eyes. Types used in Korea Pico laser Toning laser Vascular laser (for bluish veins) Yellow laser (for redness/purple tone) Best for Pigmented dark circles Mixed pigmentation Vascular shadows 4. LDM Water Drop Lifting Very popular Korean treatment for hydration, radiance, and tightening . Benefits Reduces puffiness Improves crepey texture Enhances overall brightness Often paired with fillers or skin boosters. 5. RF + Ultrasound Tightening (InMode, Thermage Eyes, Ulthera Eyes) How it helps Tightens loose skin Reduces fine lines Improves mild eye bags Best for Aging under-eye skin Mild sagging 6. Fat Repositioning or Under-Eye Fat Removal (Surgery) For patients with eye bags , puffiness, or severe fat herniation. Benefits Long-lasting improvement Removes shadows caused by bulging fat More dramatic correction than filler Best for Puffy eye bags Mixed dark circles + excess fat Korea is globally known for this procedure due to precision and natural results. 7. PRP / Exosome Under-Eye Therapy For improving skin quality, collagen, and brightness . Benefits Regenerates under-eye skin Brightens and smooths tone Works well with lasers or fillers 3. Which Treatment Is Right for You? ✔ Hollow / Sunken Eyes → Tear trough filler → Fat grafting (for long-lasting results) ✔ Brown or Gray Pigmentation → Pico laser → Toning laser ✔ Blue or Purple Darkness → Rejuran I → Vascular laser ✔ Puffy Eye Bags → Under-eye fat repositioning → LDM + RF tightening ✔ Thin Crepey Skin → Rejuran I → Exosomes → LDM therapy ✔ Mixed Causes (Most Common) → Combination treatments (Korean approach) → Example: Filler + Rejuran + Laser A proper Korean consultation typically identifies multiple contributing factors and creates a custom plan. 4. How Long Do Results Last? Depends on the treatment: Filler: 9–18 months Rejuran I: 6–12 months (series of 2–3 recommended) Lasers: Long-term with maintenance Exosomes / PRP: 6–12 months Fat repositioning surgery: Permanent RF/HIFU tightening: 6–12 months 5. 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