What is Juvelook?
Juvelook is made by VAIM Co., Ltd. in Korea. The manufacturer classes it as a disposable medical device for temporary improvement of facial wrinkles in adults. It contains poly-D,L-lactic acid, or PDLLA, in non-cross-linked hyaluronic acid. The powder is reconstituted before injection.
The first question is whether your concern is skin quality, volume or laxity. Juvelook targets the first two. It is not a lifting treatment. Dr Sin Yong makes this assessment himself, and he also sees patients who had Juvelook placed elsewhere.
What is the difference between Juvelook and Juvelook Volume?
Contains 42.5 mg PDLLA and 7.5 mg hyaluronic acid. Used for skin quality, fine lines and texture.
Contains 170 mg PDLLA and 30 mg hyaluronic acid, and is sold internationally as Lenisna. Used for deeper volume and contour.
How does Juvelook treatment in Singapore work?
The hyaluronic acid targets hydration on the day. The PDLLA then aims to prompt your skin to build its own collagen over the following months. The particles are spherical, partly porous and amorphous. Sculptra particles are different: sheet-like and semi-crystalline. Juvelook uses hyaluronic acid as its carrier, while Sculptra uses carboxymethylcellulose. This is why it is described as a collagen stimulator, and why the change arrives slowly.
How is Juvelook different from a skin booster or Rejuran?
All three are injected into the skin, but they do different jobs. Juvelook sits between a skin booster and a filler, and the clearest difference is what stays behind in the tissue. The skin booster guide and the Rejuran page cover the other two.
| Feature | Juvelook | Hydrating booster | Polynucleotide (Rejuran) |
|---|---|---|---|
| Material | Microspheres of PDLLA, carried in hyaluronic acid | Hyaluronic acid, free or lightly bonded | Purified DNA chains from salmon |
| Aim | A gradual collagen response around the microspheres | Hydration where it is placed | A repair signal to the dermis |
| Particles left behind | Yes, microspheres | No | No |
| Hyaluronidase | Acts on the carrier only, not the PDLLA | Acts on it | Does not act on polynucleotide |
| Key allergy check | Any component | Hyaluronic acid or lidocaine | Fish or salmon |
Who is Juvelook suitable for?
Concerns about skin quality or fine texture.
Volume concerns where structure is the aim, using Juvelook Volume.
If sagging is your main concern, Juvelook is the wrong tool. The consultation will separate this from a skin-quality or volume concern.
Which concerns and areas is Juvelook considered for?
No fixed list of areas is published, because placement and dilution are set after examination. What the examination finds steers the choice, and Juvelook is often not the answer.
| What the examination finds | Juvelook? | What is weighed instead or alongside |
|---|---|---|
| Fine lines, crepey or thin skin, fine texture | Often considered | Energy-based treatment for the skin, which adds no product |
| Deeper volume or contour | Juvelook Volume may be considered | Filler for a defined hollow, or Sculptra for gradual volume |
| A hollow under the eyes | Possible, with care | The Restore arm of the VF Lift, often preferred there |
| Sagging along the jaw or cheeks | No | A lifting treatment |
| A heavy face from layered injectables | No | Ultrasound mapping first, then correction |
| Dull, dehydrated skin | Sometimes | A hyaluronic acid booster or Profhilo |
| Acne scars | Decided at examination | A plan by scar type; see acne scar treatment |
What has been studied
PDLLA has been studied in the nasolabial folds and the tear trough. Published follow-up is short, so this work cannot predict your result. Juvelook can be used under the eyes, yet the clinic prefers energy-based care there: FSX Laser for skin, and the Restore arm of the VF Lift for hollow areas.
What did the PDLLA studies report?
The published work is small and early. A 2026 prospective case series treated the nasolabial folds of 20 patients with Juvelook, in three sessions a month apart, and assessed them three months after the last session. [6] It reported 85% rated improved or much improved on a global aesthetic scale, with only transient swelling and bruising, and no nodules or granulomas in that time. There was no comparison group.
A 2025 paper on Korean women with tear trough deformity, also using Juvelook, followed patients to six months and reported improvement on the Hirmand classification without severe complications. [7] Its abstract gives no patient numbers and describes no control group, and the authors call for comparative studies.
A 2024 literature review of PDLLA in dermatology highlights granulomas and non-inflammatory nodules as possible complications. [8] None of this work compared Juvelook with Sculptra or with hyaluronic acid filler, and all three papers share an author. It cannot predict your own result, and results vary.
Who should avoid it or wait
Pregnancy or breastfeeding, and active infection or inflammation in the area, including an acne flare or cold sore.
Known allergy to a component, or a tendency to keloids or raised scarring.
Earlier filler or collagen stimulator of unknown type, with ultrasound where needed.
Sagging as the main concern, or wanting a fully reversible result.
What Juvelook cannot do
Laxity is a lifting problem and needs a different approach.
Hyaluronidase breaks down the hyaluronic acid carrier, but not the PDLLA.
No randomised trial comparing them has been published.
No duration is promised, and published follow-up is short.
How Dr Sin Yong approaches Juvelook
Dr Sin Yong examines you and does every injection himself. The first thing he settles is which of three problems you have: skin quality, lost volume or laxity.
What has been injected before, as far as you know it. Where earlier filler is involved he scans it with ultrasound first, and he performs the scan himself.
He compares Juvelook with the energy-based treatments he favours, which leave no product behind, and tells you plainly when an injectable is the right tool for the job. Placement and dilution are then fixed and written into your plan.
Juvelook is not used when sagging is the main concern, because that is a lifting problem. He does not inject more product over a lump; further filler or collagen stimulation waits until the lump has been dealt with.
Treatment waits through infection or inflammation in the area, such as an acne flare or a cold sore. Earlier filler or collagen stimulator of unknown type is assessed before anything new is added. Excess Juvelook placed elsewhere is corrected rather than added to.
“Juvelook is a skin-quality tool first. If the real problem is sagging, more product is the wrong answer.”
What happens during a Juvelook treatment?
The visit starts with an examination, not an injection.
What should I expect in the days after Juvelook?
The early fullness and bumps are not the result: much of it is the mixing liquid and swelling. Massage follows only the instruction given at your visit, and some areas, such as under the eyes, are not massaged at all.
| Phase | What is usual | What to do | What to avoid |
|---|---|---|---|
| Straight after | A raised bump at each point; redness, swelling, tenderness; sometimes a bruise | Cool compress for short spells; sleep with your head slightly raised | Make-up over the points, rubbing, saunas, alcohol and hard exercise |
| The early phase | Bumps flatten; swelling eases steadily rather than growing | Massage only as shown; daily sunscreen; make-up once the points have closed | Facials, gua sha, face massage or home devices on the area |
| In the months after | The area feels ordinary; any collagen response builds slowly and varies | A simple routine; photograph any small lump you notice and send it | Any other injectable in the area before your review |
What are the side effects of Juvelook?
Swelling, bruising, tenderness and small bumps at injection points are expected and settle. Nodules can occur with any collagen stimulator. One case report described non-inflammatory tear-trough nodules after PDLLA. The serious risk is vascular occlusion, where product enters a blood vessel. The clinic also sees patients who had Juvelook placed elsewhere. If you have had any earlier filler or collagen stimulator, please say so, as it is assessed first.
What is a lump after Juvelook, and how is it assessed?
Every lasting lump is scanned before anything is decided, because lumps of different make-up can feel alike. Ultrasound shows where the material sits, how deep it is and whether other fillers share the area. The rows below run from expected to urgent.
| What you notice | What it may be | First step |
|---|---|---|
| Small bumps at the injection points | Expected: product and swelling settling | Follow your aftercare |
| A firm lump that is not red or tender | Often microspheres gathered in one place, or placed too near the surface | Ultrasound mapping, then a plan |
| A lump that appears later or keeps growing | A nodule or, rarely, a granuloma | Have it scanned |
| Fever, spreading redness, pus, or a red hot lump | Possible infection or inflammation | A doctor the same day, or A&E if none can see you |
| Skin turning white, grey or mottled, or pain that is getting worse | Possible blocked blood vessel | Urgent assessment by the injector or A&E now |
| Change in vision or eye pain | Emergency | Call 995 |
| Trouble breathing or swallowing, or swelling of the tongue or throat | Emergency | Call 995 |
If a nodule appears
Juvelook contains PDLLA with hyaluronic acid, so hyaluronidase can act only on the hyaluronic acid part. A firm nodule needs examining before anyone treats it. Dr Sin Yong maps it with ultrasound, treats any inflammation medically first, and may then use the Sculpting mode of Time Freeze Laser LCLR® on firm excess, without an incision. The published record is small. One case report describes PDLLA nodules in one woman treated with monopolar radiofrequency, with no control or biopsy. [5] That is a different device, and we found no published study of long-pulsed 1064 nm laser on PDLLA nodules, so this use rests on Dr Sin Yong's clinical experience. Laser heat has its own risks. See Ellansé and Sculptra lumps.
Warning signs after injection
Call 995 now.
You need urgent assessment by the injecting doctor or at A&E.
See a doctor the same day, or go to A&E if none is available.
How is Juvelook regulated in Singapore?
VAIM, the Korean maker, describes it as a single-use device intended to temporarily improve facial wrinkles in adults. In Singapore, medical devices, injectable fillers among them, come under the Health Sciences Authority.
Before any injectable, it is reasonable to ask for the exact product name and to search the HSA register yourself. At this clinic, Dr Sin Yong examines you and performs the injections himself. The guide to aesthetic medicine regulation in Singapore explains who oversees doctors, products and clinics.
What should I ask before Juvelook?
The PDLLA in Juvelook cannot be dissolved, so these questions are worth asking before treatment, here or anywhere.
Will the doctor who examines me also do the injecting? Which product is planned, Juvelook or Juvelook Volume, and why not a booster or Sculptra?
Is any part of my concern sagging, which this cannot address? If I change my mind later, what can and cannot be undone?
How often do nodules happen, and how would one be checked? Who do I contact after treatment, and what aftercare comes with it?
Was energy-based treatment considered for me, and is no injection a reasonable choice?
How much does Juvelook cost in Singapore?
Fees are not published, and any fee is given in writing after examination. They depend on whether the concern is skin quality or volume, the areas treated, dilution and placement, and any earlier filler needing attention first. Session numbers are not published either: placement, dilution and the number of sessions are set after examination. A written plan with fee factors follows your consultation. Please ask about aftercare at that visit, so that you know what to expect.