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Dermal Fillers: What You Need to Know Before Getting Them

  • Post published:September 30, 2025
  • Post category:Resource

Dermal fillers offer a fresher look in under an hour, but the questions that come after aren’t always so simple. How long do they really last? Why do some people swear by them while others regret them? What is filler migration?

The safest, most natural results come from board-certified providers who know how to minimize risks and enhance your features without looking “done.” That’s why women across Pennsylvania trust Young Medical Spa, where every injector is highly trained, experienced, and every treatment is supervised by board-certified surgeons.

What Are Dermal Fillers?

Dermal fillers are injectable treatments designed to restore volume, smooth lines, and enhance facial features. Most are made with hyaluronic acid (HA), a substance your body naturally produces to keep skin hydrated and plump.

Fillers are commonly used to:

  • Add volume to lips and cheeks
  • Smooth out folds like the nasolabial lines
  • Refresh under-eye hollows
  • Define jawlines and chins

Unlike Botox, which relaxes muscles, fillers work by adding structure under the skin. Results are visible right away and can last anywhere from 6 months to 2 years, depending on the type of filler and where it’s placed.

Which Dermal Filler Is Best for Me? 

The best filler depends on your goals, the area being treated, and how long you want results to last. Hyaluronic acid fillers, like Juvéderm, Restylane, and Belotero, are the most popular because they’re versatile, reversible, and provide natural-looking results. Some fillers are designed to add soft, subtle volume (perfect for lips or under-eyes) while others are thicker and better for lifting cheeks or defining the jawline.

The right choice comes from an in-person consultation where your injector evaluates your facial structure, skin quality, and desired outcome. At Young Medical Spa, treatments are fully customized, so the product selected matches your unique needs rather than a standard formula.

Are Dermal Fillers Safe?

Yes, when performed by a qualified provider. Dermal fillers are FDA-approved and widely used, but like any medical procedure, they come with risks. Common side effects include swelling, bruising, or tenderness that usually fade within days.

More serious complications, like infection, vascular blockage, or filler migration, are rare but possible. This is why your injector’s training matters as much as the product itself. Board-certified and licensed providers who understand facial anatomy know how to minimize risks and respond quickly if complications happen.

Do Dermal Fillers Migrate?

Filler migration means the product moves away from where it was injected. While it’s a common worry, true migration is rare when treatment is done by an experienced provider. What many people mistake for migration is actually swelling, uneven placement, or simply too much filler.

That said, small amounts of filler can linger or shift over time, especially if injections are placed too close to the surface or in high-movement areas like the lips. This is why technique matters. Using the right filler, the right depth, and the right amount reduces the chance of unwanted changes.

How Long Do Dermal Fillers Last?

Most hyaluronic acid fillers last 6 to 18 months, depending on the product used, the area treated, and your metabolism. Areas with less movement, like the cheeks, usually hold filler longer than high-movement areas like the lips.

What many patients don’t realize is that filler doesn’t always disappear right on schedule. Imaging studies have shown traces can remain for years, even if they’re not visible. This leftover filler can sometimes contribute to puffiness or changes in texture.

The best way to maintain natural results is with a conservative approach: small, strategic touch-ups rather than frequent large doses. At our clinics, treatments are customized to your face and goals, so you get results that look fresh without overfilling.

What Results Can I Expect?

Most patients notice results right away, with final outcomes settling within one to two weeks as any swelling resolves. Patients often describe their results as looking “rested” or “refreshed” rather than obviously treated. Cheeks regain a gentle lift, lips look smoother and more defined, and under-eyes appear brighter, all while keeping your natural expression intact. Check out some of our stunning results. 

What Are the Side Effects of Dermal Fillers?

Like any medical treatment, fillers come with side effects. The most common are mild and temporary redness, swelling, bruising, or tenderness at the injection site. These usually fade within a few days to a week.

Less common side effects include lumps, unevenness, or filler showing through the skin if it’s placed too close to the surface. Rare but serious risks, such as infection or accidental injection into a blood vessel, can cause long-term problems if not handled immediately. The safest injectors always keep dissolving agents (hyaluronidase) on hand in case of an emergency.

How Much Do Dermal Fillers Cost? 

Filler costs vary based on the type of product, how much is needed, and the area treated. Cheeks often require more than lips, and longer-lasting fillers may cost more. The only way to know your exact cost is through a consultation with a reputable provider. 

How to Choose the Right Injector for Dermal Fillers

The injector you choose makes the biggest difference in your results and safety. Look for a provider who is board-certified, trained in facial anatomy, and experienced with a wide range of fillers. A qualified injector will take time to understand your goals, recommend the right products for your needs, and use conservative techniques to keep your results natural.

Avoid clinics that rush consultations, offer fillers at unusually low prices, or don’t clearly explain who will be performing your treatment. Red flags include injectors who suggest “more” without reason or rely heavily on discounts to push you into booking.

At Young Medical Spa, every treatment is performed by highly trained injectors under the supervision of board-certified surgeons. This ensures your safety is the top priority and your results enhance your natural features, not change them completely.

Call us to book your appointment at any of our three locations: Center Valley, Lansdale, or Wilkes-Barre, PA.