Dark circles and filler—

that advice is only half true

When the seasons change, more and more people notice their eye area looking dull

and sunken.

As temperatures fluctuate, blood circulation becomes irregular,

and skin tends to get drier and more sensitive,

making the under-eye area even more noticeable.

There's something I hear all the time in the clinic.

"Doctor, I came to get Eyelight Restylane

for my dark circles."

But once patients sit down and I examine the under-eye area,

some are good candidates for filler right away,

while others need a different treatment

before filler is even on the table.

If you want to improve dark circles

and restore under-eye volume at the same time,

understanding your under-eye structure comes first.

💡 Key takeaways from today's post

Q. Does Eyelight Restylane

actually work?

A. It works well for

shadow-type dark circles caused by volume loss.

Pigment- or vascular-type causes require separate treatment.

Q. Why is Restylane often singled out

for the under-eye area?

A. Its particle size and

viscoelasticity are engineered for thin skin,

so the risk of lumping or the Tyndall effect is

relatively low.

Q. How long does it last after one session?

A. In my experience,

about 6–12 months is a realistic expectation for the under-eye area.

For those with significant fat protrusion,

a different approach should come before filler.

Dark circles:

identifying the cause first

is what makes treatment worthwhile

Dark circles

don't have a single cause.

They generally fall into three types.

1. Shadow type (volume-loss type)

   Shadowing caused by a sunken under-eye area

   
   
   

2. Pigment type

   Skin discoloration due to melanin deposition

   
   
   

3. Vascular type

   Thin skin that allows underlying blood vessels to show through

What Restylane filler can address is

the first: shadow type.

For pigment or vascular types,

filler is not a fundamental solution.

It won't clear pigmentation

or reduce vessel show-through.

In reality, far more patients present with

a 'mixed type' involving multiple causes,

so depending on the condition,

pigment or vascular treatments may be combined.

Why Restylane

is used under the eyes

Particle size,

cross-linking,

and viscoelasticity all differ between products.

Because the under-eye area has the thinnest skin,

a filler with too much elasticity can lump

or cause the Tyndall effect.

This is when light scattering causes the filler beneath the skin

to appear with a bluish tint.

Restylane is designed with small particles and low cohesivity

to minimize the risk of these side effects.

(Reference: PubMed hyaluronic acid filler review, 2019)

That said, for patients with noticeably bulging under-eye fat,

adding filler may actually

make the bulge more prominent.

In such cases, under-eye fat repositioning

should be considered first.

👨‍⚕️ Dr. Wi Youngjin's clinical notes:

In my experience, under-eye filler

often requires very little—around 0.3–0.5cc per side

is frequently enough.

For the under-eye area, overcorrection

is actually the main cause of side effects.

It's safest to inject slightly conservatively

and reassess after 2–4 weeks.

The Tyndall effect can be dissolved with hyaluronidase,

but of course, it's far better to avoid it in the first place.

Even when the under-eye looks sunken,

the real culprit is often midface volume loss,

so in many cases,

combining treatment in the cheek area produces a more natural result.

What to expect:

the procedure and realistic outcomes

After applying numbing cream for 30 minutes,

the procedure itself takes around 10–15 minutes.

• Day of treatment – Day 3

  Swelling and bruising can be noticeable, as is typical for the under-eye area.

  
  
  

• 1–2 weeks

  Swelling subsides and the filler settles naturally.

  
  
  

• After 4 weeks

  Final results are reviewed and any need for touch-up is determined.

In my experience, a realistic duration

is around 6–12 months.

The eye area moves a lot with facial expressions, so filler breaks down faster,

and results vary significantly depending on individual metabolism and expression habits.

The main drawback is cost.

The price is higher than domestic alternatives, but

for a sensitive area like under the eyes, cutting corners on product choice

can lead to even higher costs

when dealing with side effects down the line—so I don't compromise.

These patients need an approach

other than filler

• Those with significant under-eye fat protrusion

  Filler can make the bulging worse.

  
  
  

• Those with very thin skin and prominent visible vessels

  Filler may be visibly detectable.

  
  
  

• Those whose primary issue is pigmentation

  Laser or skin-lightening treatment should come first.

  
  
  

• Those who have had other fillers previously

  Whether to add more should be decided after assessing residual filler status.

Key summary

Restylane is effective for shadow-type dark circles,

and a precise, small-volume approach is essential

to avoid the Tyndall effect.

Frequently Asked Questions (FAQ)

Q1. Will my under-eye area actually look brighter afterward?

A. The visual effect of reduced shadowing is real,

but the skin tone itself does not change.

Q2. Do I need to come back regularly?

A. Since the filler is broken down by the body, if you want to maintain results,

retreatment every 6–12 months is generally recommended.

Q3. I still have filler left from a previous treatment—

can I get more?

A. Adding more without checking residual filler status can cause lumping.

Please make sure to mention your previous treatment history when you visit.

If you have any questions,

feel free to reach out via KakaoTalk first.

This has been Dr. Wi Youngjin.

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