Under Eye Rejuvenation: Why Some Patients Need 2ml and Others Only 1ml

At Tiara Clinics, one of the most common questions we get is:

“Why do some under-eye treatments need 2ml of filler, while others only need 1ml?”

The answer comes down to facial structure, volume loss, and how the under eye connects to the cheek — not just how “deep” the tear trough looks.

Understanding the Tear Trough

The tear trough (under eye hollow) isn’t just a line — it’s part of a wider structure involving:

• The under eye ligament

• The mid-face (cheek)

• The transition between these two areas
  

When this area loses support, it creates:

• Shadows

• A tired appearance

• A visible groove between the eye and cheek
  

The Key Difference: Structure vs Surface

When 1ml Can Be Enough (0.5ml per side)

In milder cases:

• The cheek still has good natural support

• The hollow is more superficial

• The issue is mainly shadowing
  

👉 In these patients, filler is used to:

• Brighten the under eye

• Soften the groove

• Improve light reflection
  

This is often achieved with ~0.5ml per side

When 2ml Is Needed (1ml per side total)

In more advanced cases:

• There is loss of cheek support

• The under eye ligament is more pronounced

• The hollow is deeper and extends into the mid-face
  

Here’s how we approach it:

Step 1: Brighten the Under Eye (0.5ml per side)

• Reduces darkness

• Softens the hollow
  

Step 2: Support & Blend (0.5ml per side)

• Filler is placed strategically to support the under-eye ligament

• Connects the under eye smoothly into the cheek
  

👉 Total: 2ml (1ml per side)

Why 1ml Isn’t Always Enough

If we only used 0.5ml per side in these deeper cases:

• We would only soften the transition, not correct it

• There wouldn’t be enough volume to support the cheek structure

• The result can look like the under eye is being “extended” downward, rather than blended naturally
  

In simple terms:

You’re treating the symptom (the hollow), not the cause (lack of support).

The Importance of Cheek Support

A key principle in natural-looking results:

👉 The cheek should sit slightly in front of the under eye

When this relationship is restored:

• The under eye looks smoother

• Shadows disappear

• The face looks fresher — not overfilled
  

In many cases, this means:

• Starting with the cheek

• Then blending into the tear trough
  

Dr Amrit’s Approach

As Dr Amrit Tiara often explains:

• Under eye treatment is not just about filling a line

• It’s about restoring structure and balance

• Every face is assessed from both front and side angles
  

That’s why two patients with “similar” hollows may need completely different amounts of filler.

Final Thoughts

There’s no one-size-fits-all approach to tear trough filler.

• 1ml treatments work beautifully for mild cases

• 2ml treatments are often needed where structure and support are lacking
  

The goal is always the same: ✔ Natural results ✔ Smooth transition from under eye to cheek ✔ A refreshed, well-rested appearance

personalised assessment

Thinking About Under Eye Treatment?

The best place to start is a personalised assessment.

📍 Birmingham 📞 +44 7700 175022 📧 info@tiaraclinics.com

Complete our online consultation form and the doctor will assess your face from both front and side angles to recommend exactly what you need — nothing more, nothing less. FAQs we reply to in our assessment

• How much filler do I need for under eyes?

• Is 2ml too much for tear trough?

• Does under eye filler include cheeks?

• How long does tear trough filler last?