Biostimulators are a different category of injectable entirely. Instead of adding temporary volume, they trigger your body to produce its own collagen, creating real structural improvement that lasts 18 to 24 months.
24mo
RESULTS THAT LAST UP TO
18-24
Months results can last with a full treatment series
2–3
Sessions typically needed for optimal collagen rebuilding
600+
Verified Google reviews at Infinite Medical Spa
10+
Years trusted in London, Ontario
From your mid-20s, your skin loses roughly 1% of its collagen every year. Traditional hyaluronic acid fillers add gel volume to compensate for that loss, but the gel is temporary and does nothing to address the underlying structural decline.
Biostimulators work differently. Injected into the deeper layers of the skin, Sculptra and Radiesse trigger your body's own fibroblasts to produce new collagen and elastin. The result is genuine structural improvement; firmer, more lifted, more youthful skin, built from within using your own biology.
e.g. Juvederm, Restylane
Add gel volume to fill space. Provide immediate results that soften wrinkles and restore lost fullness. The gel is gradually absorbed by the body over 6 to 18 months, and when it is gone, the volume goes with it.
Triggers your body's own collagen production
Injected into the deep dermis or subcutaneous layer, biostimulators create a mild inflammatory response that signals fibroblasts to produce new collagen and elastin. The product itself is gradually absorbed, but the collagen it generated stays. Results improve for months and last years.
Both are biostimulators. Both build collagen. But they work differently, suit different concerns, and produce slightly different results. Here is what distinguishes them.
Poly-L-Lactic Acid (PLLA) • Gradual collagen induction
Sculptra contains PLLA microparticles that gradually dissolve in the skin over several months, triggering a diffuse collagen-building response across the treated area. There is no immediate filler effect, results emerge subtly over 6 to 8 weeks per session, building naturally across a series of 2 to 3 treatments. Friends will notice you look more rested. They will not be able to identify why.
BEST FOR
Temples, cheeks, diffuse volume loss, lower face, and patients wanting gradual, completely undetectable improvement
Calcium Hydroxylapatite (CaHA) • Immediate scaffold + collagen induction
Radiesse contains CaHA microspheres suspended in a gel carrier. The gel provides immediate visible volume on the day of treatment, while the CaHA microspheres act as a physical scaffold for new collagen to form around. As the gel and microspheres are gradually absorbed, the collagen structure they created remains. When hyperdiluted, Radiesse can be spread across larger areas like the neck or décolletage for skin tightening without bulk.
BEST FOR
Jawline, chin, nasolabial folds, hand rejuvenation, and patients wanting immediate visible improvement alongside long-term collagen benefits
Unlike traditional fillers, biostimulators reward patience. Results build progressively over months and continue improving well after your final session.
Day 1
Radiesse: immediate visible lift from gel carrier.
Sculptra: minimal immediate change. Both may have mild swelling and redness for 24 to 72 hours.
Wk 1–2
Swelling and any bruising resolve. Radiesse: early result visible. Sculptra: injection sites settling, no visible change yet as collagen production has just begun.
Mo 2–3
Both products: collagen production actively underway. Sculptra patients notice gradual softening and lift. Radiesse patients see continued improvement beyond initial result.
Mo 4–6
Full results visible after completing the recommended series. Skin looks firmer, lifted, and more youthful in a way that reads as simply well-rested, not treated.
Biostimulators require a higher level of anatomical knowledge than standard filler placement. Understanding the depth of injection, the plane of tissue, and the structural goals of each area is what separates a natural, graduated result from overcorrection or unevenness.
Advanced Facial Anatomy Training
Every nurse trains beyond standard injection credentials in facial anatomy. That is what separates natural results from obvious ones.
Honest, Staged Treatment Plans
We recommend only what your anatomy actually needs. Biostimulators are added gradually — we will never push you to over-treat at the first session.
Medical Director On Site
Every treatment plan operates under medical oversight. Not a checkbox. A clinical standard we hold to on every visit.
The Highest Standards of Patient Safety
A clean, professional clinical environment where your safety and comfort are held to a standard you would expect from a leading medical clinic.
Everything you need to know before booking.
Not sure which biostimulator is right for your anatomy and goals? Come in for a consultation. We will assess your facial structure and build a staged treatment plan that makes sense for your skin and your timeline.