Under-Eye Hollows Collagen Treatment: Solving It with Juvelook Volume and Lituo Fine

Under-eye hollowness is usually not due to just one reason. As we age, collagen in our skin decreases by about 1 to 1.5% every year, and the orbital fat that supports volume diminishes or sags downward. This causes the boundary between the lower eyelid and the cheek, known as the tear trough, to start looking deeply hollowed out. Therefore, to fundamentally address under-eye hollowness, rather than simply filling it, an approach that induces the regeneration of decreased collagen is meaningful.

The under-eye collagen treatment discussed in this article is not a method of instantly injecting volume with hyaluronic acid, but rather stimulates fibroblasts in the dermis to synthesize collagen on their own. Centering on Juvelook Volume (JuveLook Eye) and Lituofine used for under-eye concerns at Gangnam Onlif Clinic, we will summarize the principles, characteristics, and key details you must know.

𠈾 Under-Eye Hollowness: What exactly is this condition?

The under-eye area is one of the thinnest skin areas on the face. The skin thickness of the lower eyelid is about 0.5 mm. Blood vessels and muscles pass densely underneath it. That's why even a small depression casts a shadow, and the blood vessels show through, making it look dark.

Collagen, which accounts for about 70 to 80% of the dermis, is like a scaffold supporting this thin skin from the inside. Particularly for women, there are reports that skin collagen drops sharply by up to about 30% in the first five years after menopause, meaning under-eye changes accelerate from a certain period.

The problem is that under-eye hollowness is easily confused with other concerns.

• Hollowness (Volume Loss): A shadow forms along the tear trough, making it look sunken.

• Dark Circles (Pigmentation/Vessels): The skin tone itself is dark, and show-through is prominent.

• Eye Bags (Orbital Fat Protrusion): The under-eye area bulges out, making the area below it look hollow.

Since these three have different causes, the approach to them also differs. There are cases that improve by filling, and there are cases where filling actually makes it look unnatural. Especially if fat is protruding, collagen treatments alone have clear limitations.

📌 Key Summary: Under-eye hollowness is the result of overlapping collagen loss and orbital fat changes, and distinguishing it from dark circles and eye bags is the starting point for choosing a treatment.

💧 How are collagen-stimulating treatments different from fillers?

The most common comparison is with hyaluronic acid (HA) fillers. HA fillers fill volume immediately upon injection. It is fast and intuitive. The duration is roughly 6 to 18 months, depending on the product and area.

However, in thin-skinned areas like the under-eyes, there are unique risks. If injected into a shallow layer, light scatters and can create a blueish cast known as the **Tyndall Effect**, and though rare, serious complications like vascular occlusion cannot be ruled out.

On the other hand, collagen-stimulating treatments do not aim to create instant volume. Ingredients like PLLA, PCL, and PDLLA stimulate fibroblasts within the dermis to let your own collagen gradually build up. As a result, changes start to appear 4 to 8 weeks after the treatment and settle naturally over several months.

One point of caution: collagen-stimulating ingredients (PLLA, PCL, etc.) cannot be easily reversed with hyaluronidase like fillers can. Therefore, when used under the eyes, the layers and dosage must be managed conservatively.

📌 Key Summary: Fillers fill instantly but can be reversed, while collagen treatments build up gradually but are hard to reverse. In the under-eye area, this difference is the core of treatment design.

✨ What kind of treatment is Juvelook Eye?

Juvelook Eye is a collagen-stimulating product based on PDLLA (Poly-DL-Lactic Acid), designed specifically for the thin and sensitive under-eye area, as its name suggests.

The core principle is exactly as described earlier. The injected PDLLA particles stimulate fibroblasts within the dermis to create new self-collagen. Thus, it works to improve the elasticity and thickness of the under-eye skin itself from the inside out.

There are several reasons why Juvelook Eye is well-suited for the under-eyes:

• Designed to reduce the burden on shallow layers by allowing a precise approach tailored to thin skin

• Provides naturalness as skin texture and elasticity gradually rise over time, rather than stuffing volume all at once

• You can expect the under-eye skin tone and smoothness to be refined together

However, since changes appear gradually, rather than expecting dramatic results all at once, it is best approached as a concept of building up over multiple sessions over time. After all, it naturally takes time for new collagen to be created.

📌 Key Summary: Juvelook Eye is a treatment that uses PDLLA to induce self-collagen under the eyes, gradually improving skin elasticity and texture from the inside out.

🌿 When is Lituofine considered?

Lituofine is also a treatment aimed at inducing collagen production, and is utilized to improve loss of elasticity, fine lines, and texture in thin skin areas, including under the eyes.

The principle ultimately lies in fibroblast stimulation and collagen remodeling. Rather than physically filling a sunken area, it is closer to an approach of boosting the skin's own density and firmness to soften a hollowed look.

So, Lituofine is particularly suitable for these conditions:

• An under-eye area that has generally become thin and lost elasticity, rather than having a deep hollow

• Areas where skin texture has become rough and fine lines have increased

• When you want natural skin texture improvement rather than instant volume

Juvelook Eye and Lituofine each have their own characteristics, so which to prioritize or how to combine them depends on the under-eye condition. This is because even for the same 'under-eye hollowness,' the answer varies depending on how much collagen has decreased and how much fat change is accompanied.

This is also why Onlif Clinic offers both treatments. Instead of treating every under-eye area the same way with a single method, we read the condition first and tailor the treatment to it. The goal is not to change the shape of the eyes, nose, or mouth, but to clear away the signs of aging that obscure your natural look.

📌 Key Summary: Lituofine is a collagen-inducing treatment that boosts skin density in thin and inelastic under-eye areas, and is selected or combined with Juvelook Eye depending on the condition.

⚠️ Be sure to know this before and after treatment

Just because it is a collagen treatment does not mean it is unconditionally safe. The under-eye area is a highly advanced region where blood vessels and muscles are concentrated, so a cautious treatment backed by experience is a prerequisite.

Things to check before treatment

• Aspirin, anticoagulants, omega-3, and high-dose vitamin E may increase the risk of bruising and bleeding (be sure to consult during your clinic visit before stopping medications)

• Inform us in advance if you are pregnant, breastfeeding, have a keloid constitution, or have autoimmune diseases

• Differentiate first whether your under-eye concern is hollowness or an eye bag

Post-treatment care

• Avoid drinking alcohol, saunas, and strenuous exercise on the day of treatment

• For collagen-stimulating treatments, following the guided massage protocol is crucial for preventing nodules

• UV rays are the most definite external factor that destroys collagen — SPF protection is fundamental to maintaining the effects

And there are warning signs you must remember, although they are uncommon. If you experience severe pain, pale or mottled skin, blurry or double vision, or swelling and fever that get progressively worse after treatment, you must contact the clinic without delay. This is because, though rare, they can be signs of vascular complications.

📌 Key Summary: Caution is essential for collagen treatments under the eyes as well. Inform us of your medications and constitution in advance, follow UV protection and post-care, and respond immediately to warning signs.

🏠 How much can be achieved with home care?

"Do topical or oral collagen products have any effect?" This is a frequently asked question.

Topical collagen cosmetics have large collagen molecules, making it difficult for them to directly reach the dermis. It is more accurate to understand them as providing surface hydration and temporary smoothness. There is a clear limit to restoring already structurally lost volume with creams.

Oral collagen is broken down into amino acids after consumption and used throughout the entire body. There is insufficient evidence that it selectively works only on a specific area like the under-eyes.

However, this does not mean home care is meaningless. Retinol, peptides, and Vitamin C are topical ingredients with proven effects in aiding collagen production, so they are worth using as criteria when choosing eye care products. Consistently adding UV protection to this will help maintain the results created by treatments for a long time.

In summary, home care is for prevention and maintenance, while treatments are for improving changes that have already progressed. Their roles are different.

📌 Key Summary: Topical and oral collagen are at the level of surface and systemic management, and practical improvement of under-eye hollowness is the domain of professional treatments. Retinol, Vitamin C, and SPF are good maintenance partners.

❓ Frequently Asked Questions

When do the effects of collagen-stimulating treatments start to show?

The changes are gradual rather than immediate. Usually, collagen starts to build up 4 to 8 weeks after the treatment and becomes distinct over 3 to 6 months. Therefore, it is recommended to approach it as a concept of building up over several sessions rather than just once.

How do Juvelook Eye and Lituofine differ?

Both share the same general direction of stimulating fibroblasts to induce self-collagen. However, because the product characteristics and the suited under-eye conditions differ, we decide which to prioritize or how to combine them based on the degree of collagen loss and skin condition.

Can under-eye collagen treatments be reversed?

While hyaluronic acid fillers can be dissolved with hyaluronidase, collagen-stimulating ingredients cannot be reversed so simply. Therefore, it is important to design the layers and dosage conservatively in the under-eye area.

How do I tell if my under-eye is hollow or if it's dark circles?

Hollowness shows shadows and depression along the tear trough, while dark circles involve a dark skin tone itself. If the under-eye area bulges out and is hollow below it, it may be accompanied by an eye bag; in this case, collagen treatments alone have limits, so accurate differentiation comes first.

Do oral or topical collagen products have an effect on under-eye hollowness?

Topical collagen has large molecules, making it hard to reach the dermis directly, so it mostly provides surface hydration. Oral collagen lacks evidence of selectively working only on the under-eyes. Instead, topical ingredients like retinol and Vitamin C, along with UV protection, help with management.

How should I manage my skin to maintain the effects for a long time?

UV protection is the method with the strongest evidence. Consistently blocking UV rays that destroy collagen, temporarily avoiding alcohol, saunas, and strenuous exercise after treatment, and following the guided care protocol are beneficial for maintaining results.

Good things to check before choosing a clinic for under-eye collagen treatments

Even for the same treatment, the results and recovery process vary depending on where, by whom, and how it is performed. Asking these questions during your consultation will help you make a decision.

• Do they perform this treatment frequently? — Clinics have different focus areas. Check if they regularly perform under-eye collagen treatments.

• Can I verify the products and equipment used? — Ask if you can verify the product name and authenticity (whether it is an officially imported/approved product and if there is an unboxing verification process) during the consultation.

• Do they explain the cost breakdown? — Rather than just hearing the total amount, you can make a better judgment if you receive an explanation of what product is used, how much, and in which area.

• Do they design the treatment looking at the entire face? — Even for the same treatment, the injection locations and amounts differ depending on face shape, skin condition, and left-right asymmetry.

• Do they explain adverse reactions and the recovery process first? — A clinic that informs you of potential adverse reactions and coping methods, rather than just talking about expected changes, is better for making a decision.

• Is there a way to follow up after the treatment? — Check if the follow-up timeline, how to contact them if there is an issue, and the criteria for follow-up visits are established.

This is how Onlif Clinic performs under-eye collagen treatments

• We divide responsibilities — With the belief that a single doctor cannot cover every single treatment perfectly, Onlif assigns dedicated doctors to each specialized field.

• We verify products and equipment together during consultations — We guide you through the products used and the unboxing verification process during the consultation.

• Costs are guided along with the plan after diagnosis — Since the area, dosage, and scope differ for each person, we explain what costs what during the consultation.

• We design based on the balance of the entire face — We look at the face through three axes: texture, balance, and signs of youth. Rather than changing shapes, we plan to clear away the parts obscuring your natural look.

• We address adverse reactions and recovery first — Along with the expected changes, we inform you about individual differences, potential adverse reactions, and coping measures before the treatment.

• We monitor progress together after treatment — If verification is needed during the recovery period, we guide you on follow-up visits and contact channels.

If you are considering an under-eye collagen treatment, it is best to first check what is possible and what is difficult in your current state. Accurate diagnosis and treatment plans can only be determined through an in-person consultation. Come find out through a consultation at Gangnam Onlif Clinic.