Comparison

Under-Eye Filler vs Rejuran Eye: Which Is Right for You?

Quick answer: Under-eye (tear trough) filler uses soft hyaluronic acid to fill hollows that cast shadows, with results lasting about 9–12 months. Rejuran Eye uses a fine polynucleotide formula to thicken and strengthen thin, crepey under-eye skin over 2–3 sessions, without adding volume. At Dernia Clinic Myeongdong, Rejuran Eye starts from ₩189,000 (1cc) and under-eye filler from ₩290,000 (1cc).

Reviewed by the Dernia Clinic Myeongdong medical team · Updated October 2026
Close-up of the under-eye area of a woman in soft natural light
  • Core difference: Filler fills hollows; Rejuran Eye improves thin, crepey skin
  • Under-eye filler from: ₩290,000 (1cc)
  • Rejuran Eye from: ₩189,000 (1cc)
  • Downtime: Possible swelling or bruising 2–5 days (filler); mild swelling 1–2 days (Rejuran Eye)
  • Results last: About 9–12 months (filler); best as 2–3 sessions, then maintenance (Rejuran Eye)
  • Combine? Yes, often for a complete under-eye plan

Under-eye filler vs Rejuran Eye at a glance

Tired-looking under-eyes can come from hollowing, thin skin, pigment or puffiness, and each needs a different approach. Under-eye filler restores lost volume in the tear trough, while Rejuran Eye improves the quality of the thin skin over it. Knowing which problem you have is the key to choosing well.

Feature Under-Eye (Tear Trough) Filler Rejuran Eye (Rejuran I)
Technology Soft hyaluronic acid filler Fine polynucleotide (PN) formula from salmon DNA (Pharma Research)
How it works / target depth Placed deep, near the bone, to fill the hollow Placed superficially in thin under-eye skin to strengthen it
Best for Hollows and shadows along the tear trough Thin, crepey skin, fine lines and dark circles from thin skin
Comfort Numbing; often placed with a blunt cannula Numbing; fine-needle injections
Downtime Possible swelling or bruising for 2–5 days Mild swelling for 1–2 days
Sessions Usually one Best as 2–3, a few weeks apart
Results appear Immediately, settling over 1–2 weeks Gradually, improving with each session
Results last About 9–12 months Builds over a series; maintain periodically
Price from at Dernia ₩290,000 (1cc) ₩189,000 (1cc)

How under-eye filler works

With age, the tissue that supports the lower eyelid thins and the groove between the eyelid and cheek deepens, creating a shadow that reads as tiredness. A soft hyaluronic acid filler, placed carefully near the bone, fills that groove so light falls evenly again. Because the skin here is thin, technique matters: filler placed too shallow can show a bluish tint, and too much can look puffy. Doctors usually use small amounts and often a blunt cannula. Hyaluronic acid can be dissolved if it ever needs adjusting.

How Rejuran Eye works

Rejuran Eye, also called Rejuran I, is a finer polynucleotide formula from Pharma Research designed for the delicate skin around the eyes. Injected superficially, it supports the skin's repair processes, improving thickness, elasticity and hydration over a series. As the skin strengthens, fine lines soften and the darkness caused by vessels showing through thin skin can look less pronounced. It adds no real volume, so it does not fill a deep hollow.

Choose under-eye filler if…

  • You have a visible groove or under-eye hollow that casts a shadow
  • Your dark circles are mainly a shadow from that hollow
  • You want an immediate change from one session
  • Your under-eye skin is not too thin or puffy

Choose Rejuran Eye if…

  • Your under-eye skin looks thin, crepey or finely lined
  • Your dark circles have a bluish or purplish tone from thin skin
  • You want a subtle improvement in skin quality without adding volume
  • You are prone to puffiness and prefer to avoid filler

Can you combine them?

Yes, and the combination often looks most natural: filler restores the structure and Rejuran Eye strengthens the skin over it. Doctors usually space them a couple of weeks apart. Rejuran Eye is part of our Eye Rejuvenation Package(from ₩449,000) with Botox for crow's feet and Oligio X tightening. If puffiness comes from fat bulging under the eye, neither treatment fixes it; RF options such as Agnes, or surgery, may be discussed.

Cost comparison

At Dernia Clinic Myeongdong, under-eye filler starts from ₩290,000 per cc and Rejuran Eye from ₩189,000 per cc. Filler is usually a single session, with the amount depending on how deep the hollow is. Rejuran Eye works best as two to three sessions, so a course starts from ₩378,000. See current plans on the under-eye filler price page and the Rejuran Eye price page. Prices are in Korean won (KRW), exclude 10% VAT, and are confirmed at your consultation.

How our doctors decide

Your doctor examines the under-eye in different lights and angles to tell shadow from pigment and thin skin. A structural hollow points to filler; thin, crepey skin points to Rejuran Eye; brown pigment may need laser instead. Many people have more than one cause.

Neither is injected during pregnancy or breastfeeding, over active infection, or without review if you take blood thinners; tell your doctor about any fish allergy before Rejuran Eye. Bruising around the eyes can take several days to fade, so plan filler early in your trip. See typical outcomes on the under-eye filler results page, browse more comparisons, or book a consultation and a licensed doctor will identify what is behind your tired look.

Not sure which treatment is right for you?

Tell us your concerns and your travel dates. A doctor examines your skin in person, explains your options in English, and confirms the plan and price before anything is done.

FAQ

Frequently asked questions

Straight answers from our medical team. Still unsure? Ask a doctor or browse all patient questions .

Which is better for dark circles?

It depends on the cause. Shadows from a hollow respond best to filler, while dark circles from thin, see-through skin often improve with Rejuran Eye. Brown pigment usually needs a laser approach instead.

Is under-eye filler risky?

Under-eye filler needs careful technique because the area is delicate. Possible issues include swelling, bruising, a bluish tint or puffiness if placed poorly, and rarely vascular complications. Hyaluronic acid can be dissolved if needed.

Does Rejuran Eye add volume?

No. Rejuran Eye strengthens and thickens the skin but does not fill hollows. For a deep groove, filler or a collagen stimulator is usually needed.

Can I combine filler and Rejuran Eye?

Yes. Many plans use filler for structure and Rejuran Eye for skin quality, usually spaced a couple of weeks apart.

How long does bruising last after under-eye filler?

Not everyone bruises, but if you do, it usually fades within a week. Plan the treatment early in your stay and avoid alcohol and blood-thinning supplements beforehand if your doctor advises.

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Plan your visit to Dernia Clinic Myeongdong

English consultations, clear prices in Korean won and treatment plans built around your time in Seoul. Tell us your dates and we will suggest a schedule that fits.

Individual results vary. Suitability, dosage and final price are confirmed by a licensed doctor at your consultation. Prices are in Korean won (KRW) and exclude 10% VAT. Medical disclaimer