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Youthfill is a hyaluronic acid filler line made in South Korea by RFBIO Co., Ltd. The range is three products deep and follows the pattern most Korean filler families use: a single concentration across the line, with the gels separated by how firmly they hold their shape. All three carry 24 mg/ml of highly purified hyaluronic acid with 0.3% lidocaine, supplied as a 1.1 ml prefilled syringe with two needles in the box.
What Youthfill is known for among injectors is control. The gels extrude predictably and sit where they are placed, which is why Youthfill Fine in particular has a following for techniques that depend on precise shaping rather than bulk — the Russian lip approach being the obvious example. A gel that surges out of the needle is useless for that kind of work; a gel that can be dosed in small, deliberate increments is not.
The other characteristic RFBIO emphasises across the line is low post-treatment swelling, which matters commercially as much as clinically: patients who look presentable the same afternoon come back.
Youthfill is a professional-use range supplied for administration by trained practitioners. Our buyers are mainly clinics and distributors ordering across all three grades.
The Youthfill range
Youthfill Fine Lidocaine
Youthfill Fine Lidocaine is the light gel and, for a lot of injectors, the reason they stock the brand at all. It handles superficial lines — crow's feet, periorbital wrinkles, horizontal forehead lines, glabellar lines, smile lines — but its reputation comes from lip work. Its consistency is easy to control at low volumes, which makes it well suited to defining a lip border and building shape incrementally rather than in one push. If your lip patients want structure rather than size, this is the gel that gives you the resolution to deliver it.
Youthfill Deep Lidocaine
Youthfill Deep Lidocaine is the mid-weight product and the one that covers the everyday appointment book. It is formulated for moderate to severe folds — nasolabial folds, puppet lines running from the mouth corners to the chin, transverse forehead wrinkles — and it also does light structural work: chin modelling, jawline and cheek definition, non-surgical nose correction, and lip volume where the requirement is fullness rather than fine shaping. Most practices order more of this than of the other two combined.
Youthfill Shape Lidocaine
Youthfill Shape Lidocaine is the sub-Q member of the family and the one built to hold structure. RFBIO formulates it with a high storage modulus and a low degradation rate, which in plain terms means it resists deformation under tissue pressure and breaks down slowly — the two properties you want when you are building projection rather than smoothing a line. It is used for cheek and cheekbone volume, jawline and chin reshaping, neck contour correction, deep folds, and filling soft-tissue volume deficits. Placed shallowly it would be visible; placed correctly it is the product that changes a facial profile.
How to choose
Since concentration, syringe size and lidocaine content are identical across the line, the choice comes down to how much structural resistance you need and how deep you are working.
| Product | Gel firmness | Working depth | Typical indications |
|---|---|---|---|
| Youthfill Fine | Light, highly controllable | Superficial | Crow's feet, periorbital and forehead lines, lip contour and shaping |
| Youthfill Deep | Medium | Mid to deep | Nasolabial folds, puppet lines, chin and jaw, nose, lip volume |
| Youthfill Shape | High storage modulus | Subcutaneous | Cheekbones, jawline, neck contour, deep volume deficits |
Every variant is 24 mg/ml HA with 0.3% lidocaine in a 1.1 ml prefilled syringe with two needles supplied. For injection planes, technique and patient selection, follow RFBIO's prescribing information supplied with the product.
Storage and shipping
Keep Youthfill sealed and out of direct sunlight, and do not freeze. Syringes are sterile and single-use; discard any unit whose packaging has been opened or damaged rather than using it. We ship from Seoul in protective packaging, with full remaining shelf life on every syringe.
Buying Youthfill from MY SKIN KOREA
We source Youthfill inside Korea and ship it in original RFBIO packaging — no relabelling, no short-dated stock cleared from someone's warehouse. Being based in Seoul means we buy at the front of the supply chain, and we consolidate mixed orders so Fine, Deep and Shape travel together with the rest of your list. For tiered pricing and standing orders see our wholesale page, or contact us with your quantities. Youthfill sits with the rest of our dermal fillers; clinics building a treatment plan around skin quality as well as volume often add something from our skin boosters to the same shipment.
Frequently asked questions
Who makes Youthfill?
RFBIO Co., Ltd., in South Korea.
Which Youthfill is best for lips?
Fine for shaping and definition, where control at low volumes matters. Deep where the goal is fullness.
What is Youthfill Shape used for?
Subcutaneous structural work — cheekbones, jawline, chin and neck contour, and filling soft-tissue volume deficits.
How much hyaluronic acid does Youthfill contain?
24 mg/ml, with 0.3% lidocaine, across all three products.
What is in the box?
One 1.1 ml prefilled syringe and two needles.
Why is Youthfill Fine associated with the Russian lip technique?
Because the gel is easy to dose in small increments, which is what that approach depends on. A gel that extrudes unevenly cannot build shape that precisely.
Can I order all three grades together?
Yes. Mixed orders across the range are standard and ship together from Seoul.
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