Dermal Fillers
What Are Dermal Fillers and How Do They Work
Dermal fillers are injectable treatments that restore volume, smooth wrinkles, and rejuvenate the delicate skin around the eyes and face. As we age, natural fat pads thin and collagen decreases, leading to hollows, creases, and a tired appearance that may not reflect how you actually feel. Fillers work by physically adding volume beneath the skin's surface. Once injected, the gel fills in areas where natural fat and collagen have diminished, lifting the overlying skin and softening creases. Many hyaluronic acid fillers also attract and bind water molecules, which helps hydrate the treatment area and contributes to a plump, refreshed appearance. According to the ASPS 2024 Report, hyaluronic acid filler treatments reached over 5.3 million procedures in the United States in 2024.
While fillers add volume to restore fullness, neuromodulators like Botox target the muscles that cause dynamic wrinkles such as crow's feet and frown lines. Fillers address static lines and volume loss that remain visible even when your face is at rest. In many cases, our oculoplastic surgeon recommends combining both approaches for a more comprehensive rejuvenation.
A typical filler appointment takes 15 to 45 minutes depending on the areas being treated. After cleansing the skin, your provider applies a topical numbing cream or uses a filler that contains lidocaine for comfort. The filler is then injected using a fine needle or blunt-tipped cannula, with gentle molding to achieve the desired shape. Most patients can return to normal activities the same day.
Areas Around the Eyes That Benefit from Dermal Fillers
The tear trough is the groove that runs from the inner corner of the eye down along the nose. As volume beneath the lower eyelid decreases with age, this groove deepens, creating shadows that can make you look tired. Carefully placed filler in the tear trough can soften this shadow and reduce the appearance of dark circles. Because the under-eye skin is exceptionally thin, this area requires precise technique and thorough knowledge of periocular anatomy, which is why treatment by an oculoplastic surgeon offers an added measure of safety. You can learn more about this specific approach on our facial filler around the eyes page.
Temporal hollowing occurs when the fat pads above and around the temples shrink, giving the upper face a gaunt or angular look. Filler placed in the temples can restore a youthful convexity to this area and indirectly lift the tail of the eyebrow. For patients with more significant brow drooping, our team may discuss whether a surgical brow lift would better achieve their goals.
Volume loss in the cheeks contributes to a flattened midface and can accentuate under-eye hollows by reducing the structural support below the lower eyelid. Restoring cheek volume with fillers creates a lifting effect that can improve the entire periocular area. This approach is sometimes combined with direct under-eye treatment for a more balanced result.
Types of Dermal Fillers Available
Hyaluronic acid (HA) fillers are the most widely used dermal fillers and include well-known brands such as Juvederm and Restylane. HA is a naturally occurring sugar molecule found in the skin that retains moisture and adds plumpness. These fillers come in varying densities, from thin gels ideal for fine lines and tear troughs to thicker formulations designed for cheek augmentation. A key advantage of HA fillers is that they can be dissolved with an enzyme called hyaluronidase if an adjustment is needed.
Calcium hydroxylapatite (CaHA), sold under the brand name Radiesse, is a thicker filler composed of microspheres suspended in a gel carrier. It provides immediate volume and also stimulates your body's own collagen production over time. CaHA fillers are commonly used in the cheeks and jawline but are generally not recommended for the thin skin directly under the eyes because they cannot be dissolved.
Poly-L-lactic acid (PLLA), marketed as Sculptra, is a biostimulatory filler that works gradually by encouraging your body to produce new collagen. Rather than providing instant volume, PLLA builds structure over a series of treatment sessions spanning several months. It is best suited for broader facial volume restoration and is typically not used in the immediate periocular area.
The best filler for you depends on the treatment area, the degree of volume loss, and your aesthetic preferences. For areas around the eyes, HA fillers are generally the preferred choice due to their smooth consistency and reversibility. Products like Restylane Lyft may be recommended for the midface and cheek area to provide structural support. During your consultation, we will discuss which product best aligns with your goals and anatomy.
How Long Dermal Filler Results Last
HA fillers in the tear trough and under-eye area typically last 9 to 12 months, though some patients find their results persist even longer. Cheek fillers made from thicker HA gels or CaHA may last 12 to 18 months. Biostimulatory fillers like PLLA can produce results lasting up to two years or more because they work by building your body's own collagen framework.
Your metabolism, the treatment area, and the amount of filler placed all influence how long results last. Areas with more movement tend to break down filler faster than relatively static areas like the cheeks or temples. Sun exposure, smoking, and overall skin health can also play a role in how quickly your body absorbs the product.
Many patients choose to schedule maintenance treatments before their filler fully dissolves, which can help sustain results with smaller amounts of product over time. Some evidence suggests that repeated HA filler treatments may stimulate a modest amount of natural collagen production, contributing to longer-lasting improvement. Complementary treatments such as chemical peels for the periocular area can also help maintain skin quality between filler appointments.
Frequently Asked Questions
Both Juvederm and Restylane are HA-based filler families, but they differ in their manufacturing processes and gel consistency. Juvederm products use Vycross or Hylacross technology, which tends to create a smoother gel, while Restylane uses NASHA or XpresHAn technology, producing a slightly firmer, more cohesive product. In practice, both families offer excellent options, and the choice often comes down to which specific product best matches the treatment area.
When performed by a qualified provider with thorough knowledge of periocular anatomy, filler injections near the eyes have a strong safety profile. The eye area contains a complex network of blood vessels, making proper injection technique critical to avoid complications such as vascular occlusion (blockage of a blood vessel). This is one reason we recommend having periocular fillers administered by an oculoplastic surgeon who specializes in the structures surrounding the eye.
The most common side effects include temporary bruising, swelling, redness, and tenderness at the injection site, which typically resolve within a few days. Less common but more serious risks include infection, filler migration, nodule formation, and vascular occlusion. Choosing an experienced provider, following pre-treatment and post-treatment guidelines, and selecting an appropriate filler product all help minimize these risks.
Botox temporarily relaxes muscles to reduce dynamic wrinkles that form with facial expressions, such as crow's feet and forehead lines. Fillers restore volume and smooth wrinkles that are visible even when the face is at rest. Many patients benefit from combining both treatments for a more complete rejuvenation of the eye and brow area.
HA fillers can be partially or fully dissolved using an injection of hyaluronidase, an enzyme that breaks down hyaluronic acid. This provides an important safety net, allowing adjustments if you are unhappy with the result or if a rare complication arises. The dissolving process usually takes effect within 24 to 48 hours. Non-HA fillers such as Radiesse and Sculptra cannot be enzymatically dissolved, which is one reason HA fillers are often preferred for first-time patients and sensitive areas like the tear trough.
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