The Bottom Line

Ellánse is an injectable treatment that does two things at once: it adds volume immediately like a standard filler, and it stimulates your skin to produce its own new collagen over the following months for results that last 12–18 months—significantly longer than most hyaluronic acid fillers. It is available in several countries (CE-marked in Europe and available in Canada) but FDA approval in the United States was still pending as of 2025.

What Is Ellánse?

Ellánse is an injectable filler made by Sinclair Pharma that uses polycaprolactone (PCL)—the same biodegradable material found in many medical sutures and implants—to stimulate your skin’s natural collagen production. Unlike standard hyaluronic acid fillers that simply add volume and then fade, or collagen stimulators like Sculptra that take months before you see results, Ellánse does both at once.

The product is a mixture of:

  • 80% hyaluronic acid (HA) carrier gel: This provides the immediate, visible volume when injected.
  • 20% PCL microparticles: These tiny particles (about the size of a human hair’s width) trigger your body to produce new collagen, sustaining the results long after the carrier gel has been absorbed.

Ellánse comes in different formulations—Ellánse-S for subtle correction and Ellánse-M for deeper correction with even longer duration (up to 16–18 months). Your provider will choose the right one based on your goals.

How It Works: Two Stages of Improvement

Stage 1 — Immediate (Day 1 to Week 4):
The moment Ellánse is injected, the hyaluronic acid carrier provides visible volume. You leave your appointment with an immediate improvement. Over the first 2–4 weeks, this carrier gel is naturally absorbed by your body—just like a standard filler would be.

Stage 2 — Progressive (Weeks 4–12+):
While the carrier gel dissolves, the PCL particles remain at the injection site. Your immune cells recognize them as foreign material and trigger a controlled healing response, recruiting collagen-producing cells (fibroblasts) to the area. By 3–4 months post-injection, your body has built a new collagen matrix in the treated area that maintains the volume—from your own tissue, not a foreign substance. The PCL particles themselves are slowly broken down into harmless byproducts and eliminated naturally over time.

What to Expect During Treatment

An Ellánse appointment is similar to any injectable filler procedure:

  • Consultation: Your provider assesses the areas of volume loss and determines which Ellánse formulation and how much product is appropriate for your goals.
  • The injections: Using a fine needle or cannula (a blunt-tipped flexible tube), the product is placed at mid-to-deep skin levels in areas like the cheeks, nasolabial folds (the lines from nose to mouth), temples, or marionette lines (lines from mouth to chin).
  • Duration of appointment: Typically 30–60 minutes including consultation and treatment.
  • Immediately after: You will see results right away. Expect some swelling and redness for 5–7 days.

Results and How They Develop Over Time

Ellánse has a distinctive results timeline that differs from standard fillers:

  • Day 1: Immediate visible volume from the HA carrier.
  • Days 2–7: Peak swelling, then gradual settling as initial swelling resolves.
  • Weeks 2–8: Progressive improvement continues as the carrier integrates and early collagen synthesis begins.
  • 3–4 months: Peak results emerge as new collagen reaches its maximum density.
  • 12–18 months: Results typically last this long. Clinical studies show 60–70% of patients maintaining significant improvement at 16 months with standard Ellánse, and 70–80% at 18 months with Ellánse-M.

This is notably longer than most hyaluronic acid fillers (which last 6–12 months), and comparable to Radiesse—while offering the advantage of immediate visible results that Sculptra does not.

Benefits and Risks

Benefits:

  • Immediate visible improvement at the time of treatment
  • Progressive enhancement as your own collagen builds
  • Longer duration (12–18 months) compared to standard fillers
  • Fewer treatment sessions needed per year
  • Biodegradable material—fully broken down and eliminated by your body over time
  • Can be combined with Botox for comprehensive facial rejuvenation (rejuvenation means restoring a more youthful appearance)

Possible risks and side effects:

  • Swelling, bruising, and redness at injection sites (10–15% of patients), resolving within 5–7 days
  • Small lumps or nodules if product is placed too superficially (1–2% of cases)—treatable with steroid injections or hyaluronidase
  • Granulomatous reaction (an inflammatory response) is very rare (<0.1%) but may require oral medications if it occurs
  • Vascular occlusion (accidental blockage of a blood vessel) is extremely rare but is a risk with all injectable fillers
  • Results cannot be reversed with hyaluronidase once the HA carrier has been absorbed (though early treatment may partially reverse it)

Who Is a Good Candidate?

Ellánse may be a good fit for you if:

  • You have moderate facial volume loss in areas like cheeks, temples, or around the mouth
  • You want results that last longer than standard hyaluronic acid fillers
  • You want to see an immediate improvement rather than waiting months for Sculptra to work
  • You are comfortable with a treatment that uses a collagen-stimulating process, meaning results build gradually after the initial effect
  • You do not have active skin infections, collagen vascular disease (such as lupus), or known allergies to PCL or hyaluronic acid

Ellánse is not a good option if you are looking for very subtle, easily adjustable volume—because results develop over months and are not as easily fine-tuned as standard fillers.

When to See a Dermatologist

If you are interested in Ellánse, seek a board-certified dermatologist or plastic surgeon who has specific experience with collagen-stimulating injectables. Because Ellánse is injected at deeper levels than standard fillers, precise technique matters. Ask about your provider’s experience with the product specifically and request to see before-and-after photos of patients with similar concerns to your own. If you experience increasing pain, blanching (skin turning white), or changes in vision after any injectable treatment, seek emergency care immediately—these can be signs of a vascular emergency.

Frequently Asked Questions

Q: Is Ellánse available in the United States?
A: As of 2025, Ellánse had not yet received FDA approval in the United States, though it is widely available in Europe (where it carries CE mark approval) and Canada. If you are in the US, ask your dermatologist about similar alternatives such as Radiesse (a calcium-based collagen stimulator) or Sculptra (a poly-L-lactic acid collagen stimulator) that are FDA-approved.

Q: Can Ellánse be dissolved if I don’t like the results?
A: Early after injection, the hyaluronic acid carrier component can be partially dissolved with hyaluronidase. However, once the carrier has been absorbed (within the first 2–4 weeks) and the collagen-building phase begins, the results cannot be reversed. This is an important distinction from standard HA fillers, which can always be dissolved. Discuss this commitment with your provider before treatment.

Q: When will I see the best results?
A: You will see improvement immediately, but your best results will emerge at around 3–4 months when collagen production reaches its peak. The final outcome looks natural because it is built from your own tissue—not a foreign material sitting in your skin. Plan follow-up photos or a review appointment at the 3-month mark to assess the full outcome.

Q: How does Ellánse compare to Sculptra?
A: Both stimulate collagen, but they work differently. Sculptra (poly-L-lactic acid) provides no immediate volume—results build gradually over 3–6 months and require multiple treatment sessions. Ellánse provides immediate volume plus progressive collagen stimulation, usually in a single treatment session. For patients who want to see results right away while also getting long-term improvement, Ellánse offers the advantage of both effects from one appointment.