By Dr Scott J Turner, Specialist Plastic Surgeon | Published: October 2025
In my previous article, I talked about the general concerns with fillers and facelift surgery. But I’ve had so many patients reach out asking for more specific information about two particular issues: filler migration and filler retention. So let me dive deeper into these topics, because the research that has emerged in recent years has genuinely surprised even experienced surgeons like myself.
This is going to get a bit technical, but stick with me—understanding these mechanisms will help you make better decisions about your own treatment journey.
Let’s Talk About Filler Migration
When I tell patients their filler might have moved from where it was originally placed, I often get this confused look. “How can it move? It’s injected in one spot, right?”
Well, yes—but that’s not where the story ends.
Filler migration is when the product travels from its original injection site to other areas of your face. And it happens more often than anyone in the industry likes to admit. Let me explain the different ways this can occur.
How Fillers Actually Move Around Your Face
There are four main pathways, and they’re all concerning in their own way:
Lymphatic Spread Your lymphatic system is designed to clear foreign materials from tissues. Filler particles can enter this system and literally travel to distant locations in your face. It’s your body trying to do its job, but the filler goes along for the ride.
Gravitational Movement This one is exactly what it sounds like. In areas that move constantly—like your lips when you talk, smile, or eat—gravity and repetitive motion can gradually push filler downward or outward over time.
Pressure-Induced Displacement Every time you make a facial expression, sleep on your face, or even massage the area, you’re creating pressure that can shift filler material. It’s subtle, but cumulative.
Intravascular Injection This is the scary one. If filler accidentally enters a blood vessel during injection, it can travel through your circulatory system. This is also how you get the severe complications you might have heard about in the news.
What Migration Actually Looks Like
In my practice, I see the effects of migration regularly. Patients come in and describe symptoms like:
- Asymmetry that wasn’t there right after the injection
- Puffiness in areas that were never treated
- Unnatural contours developing months or even years later
- Visible lumps in unexpected places
The lips are particularly vulnerable. I’ve seen MRI studies showing lip filler that migrated upward above the lip line and below the nose—creating that “duck lip” or “pillow lip” appearance nobody actually wants. The constant movement from talking and eating essentially massages the filler out of position over months and years.
What This Means When I’m Performing Surgery
Here’s where migration becomes my problem as a surgeon. When I’m doing a facelift on someone with a history of fillers, I encounter:
Altered tissue planes – The normal anatomical landmarks I rely on are obscured. It’s like trying to navigate with a map where someone moved all the streets.
Unexpected masses – Sometimes I find deposits of filler in locations where it was never injected. Without knowing the patient’s complete filler history, these can initially look like tumors or other concerning pathology.
Compromised surgical planning – If I can’t accurately predict where filler has travelled, I can’t plan the optimal surgical approach.
About half of facial plastic surgeons surveyed reported that filler migration significantly increased the difficulty of performing facelifts. And many noted that the full extent of migration only becomes apparent once we open the tissue planes during surgery—by which point we’re committed to navigating whatever we find.
Now Let’s Address the Retention Issue
This is where things get really interesting—and concerning. Remember how I mentioned that filler manufacturers claim their products last 6-12 months? Well, recent MRI research has completely blown that claim out of the water.
The MRI Studies That Changed Everything
There was a groundbreaking study that used MRI imaging to track what actually happens to hyaluronic acid fillers over time. They studied 33 patients, and the results were shocking:
Every single patient—100% of them—still had filler visible on MRI scans.
Let me break down what they found:
- Filler was detected in patients who hadn’t received injections for 2 to 15 years
- 21 patients hadn’t had filler for 2-5 years—significant amounts remained
- 12 patients hadn’t had filler for over 5 years—some showing persistence up to 15 years
Fifteen years. Not six months. Not twelve months. We’re talking more than a decade in some cases.
This isn’t a minor discrepancy. This is the difference between thinking you’re getting a temporary treatment that needs regular touch-ups, versus understanding you’re making permanent changes to your facial structure.
But Wait—It Gets More Complicated
The retention issue isn’t just about undissolved filler sitting in your tissues like a blob. Your body responds to this foreign material in complex ways, and these responses create permanent changes.
Here’s what actually happens over time:
Within the First 8 Weeks: Type III collagen rapidly increases around the filler. This is your body building a scaffolding around the foreign material.
By 4 Weeks: Collagen accounts for about 13.8% of the total filler volume. You’re not just maintaining the filler anymore—you’re building scar tissue.
At 32 Weeks: Collagen reaches approximately 21.5% of the total filler volume. More than one-fifth of what’s in your face is now permanent scar tissue, not the original filler product.
Long-Term Changes:
- Fibroblasts create a lattice structure around the material
- New blood vessels form in response to the foreign body
- A fibrous capsule develops that can actually prevent complete filler breakdown
So even when the original filler eventually degrades, the tissue architecture has been permanently altered. You’re left with structural changes that don’t fully revert to the pre-injection state, even years later.
Different Fillers, Different Problems
The retention patterns vary depending on which type of filler was used:
Hyaluronic Acid Fillers
- Persist 2-15 years despite the 6-12 month marketing claims
- Create permanent collagen scaffolding that maintains shape even after degradation
- Show different degradation patterns depending on facial location and depth
Calcium Hydroxylapatite
- Demonstrates even longer persistence than HA fillers
- Creates more pronounced inflammatory response and fibrous encapsulation
- Cannot be dissolved with hyaluronidase—removal would require surgery
Biostimulator
- Persists for 4+ years, with some effects lasting much longer
- Creates deliberate scar tissue formation through controlled inflammation
- Builds collagen “nests” throughout tissues that become permanent fixtures
The Perfect Storm: When Migration Meets Retention
Now imagine what happens when you combine long-term retention with migration. You have permanent tissue changes in locations where filler was never intended to be. This is what I’m navigating when patients with extensive filler histories come to me for facelift surgery.
What I Actually Encounter in the Operating Room
Anatomical Distortion The tissues feel wrong. Instead of firm, resilient structures, everything feels gelatinous. The normal fascial planes I rely on are obscured by dispersed filler material. Surgical landmarks that should be obvious become unreliable.
Vascular Complications About 15% of surgeons report compromised blood supply to facial flaps in patients with extensive filler histories. Sometimes those vascular changes from previous filler complications only become apparent when I’m dissecting tissues during surgery. And patients often don’t recall or weren’t even told about vascular injuries that occurred during their filler appointments.
Increased Surgical Complexity The statistics here are telling:
- 51.9% of surgeons believe fillers increase facelift difficulty
- 82% of patients needing filler removal during surgery presented with facial asymmetry
- 24% had disfiguring facial edema years after injection
- 12% developed granulomas requiring surgical intervention
These aren’t rare complications. These are common enough that more than half of us doing facelifts regularly encounter significant challenges related to previous filler treatments.
What Does This Mean for You?
If you’re reading this and thinking, “Well, this is depressing”—I understand. But I’d rather you have accurate information than comfortable illusions.
If You’re Considering Starting Fillers
Recognize that despite marketing claims, all fillers create permanent tissue changes. That first syringe isn’t just a temporary experiment—it’s the beginning of permanent alterations to your facial architecture. Consider:
- The cumulative effects of repeated treatments over years
- Migration risks, particularly in high-movement areas like lips
- Potential complications if you need facelift surgery later
- Whether surgical options might be more appropriate for your concerns
If You’re Already Using Fillers and Considering a Facelift
You need to have an honest conversation with your surgeon about:
- Your complete filler history (products, locations, dates)
- Whether pre-surgical imaging like MRI would be helpful
- Whether we should dissolve treatable fillers 2-8 weeks before surgery
- The reality that surgery will likely be more complex and potentially longer
Remember: Some fillers cannot be dissolved. If you have these products in your face, they either need to be surgically removed (which isn’t always possible) or worked around during your facelift.
If You’ve Been Using Fillers for Years
And you’re noticing diminishing returns or an increasingly unnatural appearance—it’s time to stop. Seriously. More filler will not fix the problems created by previous filler. At this stage, you’re likely making things progressively worse.
This is the point where we need to have a different conversation about surgical options, tissue restoration, and realistic expectations given the accumulated changes in your facial tissues.
The Bigger Picture
The revelation that fillers persist for years or decades while simultaneously migrating to unintended locations represents one of the biggest paradigm shifts in modern aesthetic medicine. It changes everything about how we should counsel patients, plan treatments, and think about the relationship between non-surgical and surgical options.
I’m not saying fillers should never be used. They remain excellent tools for the right patient at the right stage of aging. But the era of considering them truly “temporary” treatments is over.
We now know they create lasting changes in facial anatomy. We know they can migrate unpredictably. We know they complicate future surgical procedures. And we know that manufacturers’ claims about longevity have been, at best, optimistically inaccurate.
Moving Forward with Eyes Wide Open
The most important thing I want you to take away from this is that knowledge is power. Understanding filler migration and retention isn’t about creating fear—it’s about making truly informed decisions.
If someone is offering you fillers as a “temporary solution” or telling you they’ll completely dissolve in six months, you now know that’s not the whole truth. If you’re years into filler treatments and wondering why your face looks progressively less like you, you now understand the mechanisms behind that change.
And if you’re considering facelift surgery after years of fillers, you now know why your surgeon might need additional imaging, longer operative time, and modified techniques to achieve your goals.
The relationship between fillers and facelifts isn’t simple, and it isn’t temporary. It’s complex, often permanent, and worthy of serious consideration before you start down either path.
Let’s Talk About Your Specific Situation
Every face is different. Every filler history is different. And every treatment plan should reflect those unique factors. If anything in this article resonates with your experience—whether you’re just starting to consider facial rejuvenation or you’re years into treatments that aren’t working anymore—I’m happy to discuss your specific situation.
You can learn more about my approach to facial surgery or contact my team to schedule a consultation at one of my clinics in Sydney, Brisbane, or Canberra.
The goal isn’t to scare you. The goal is to ensure you have complete information so you can make decisions that align with your expectations, your budget, and your long-term aesthetic goals.
Because when it comes to your face, you deserve to know the whole truth—not just the marketing version.
Clinic Locations
Sydney
- Manly Clinic: Suite 504, Level 5, 39 East Esplanade, Manly NSW 2095
- Bondi Junction Clinic: 39 Grosvenor St, Bondi Junction NSW 2022
Brisbane
- Spring Hill Clinic: Herstellen Clinic, 490 Boundary St, Spring Hill QLD
Canberra
- Campbell Clinic: G24/6 Provan St, Campbell ACT 2612 (consultations from Fridays)
For more on Dr Turner’s expertise and approach, visit Dr Scott J Turner – Sydney Plastic Surgeon.
To schedule a consultation, contact our practice.
Important Medical Disclaimers: This information is for educational purposes only and does not replace professional medical advice. All surgical procedures carry risks and potential complications. Results vary significantly from person to person, depending on individual factors such as age, skin quality, healing response, and lifestyle. Dr Scott J Turner is a specialist plastic surgeon registered with AHPRA. Patients should seek multiple opinions when considering cosmetic surgery and carefully weigh the benefits and risks before proceeding with any surgical procedure.
