Non-Surgical · Injectable Skin Boosters

Skin Boosters

One category, several materials, and how the choice is made

Gangnam, Seoul | Board-certified plastic surgeon, Dr. Jonghwan Choi
KHIDI-registered for international patients · Apgujeong Rewind

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Define

Skin boosters

Skin boosters: what the category covers at Rewind

The short answer

A skin booster is an injection placed into the dermis to change the condition of the skin itself, leaving the outline of the face alone. Rewind describes the group as putting hydration, collagen-related and regenerative material into the deep skin so that moisture, firmness and texture improve together, and frames the target as the internal environment of the skin. The word names a category, and the products inside it are made of different things.

This page routes. It says what each material in the category does, who each one is generally chosen for, and what it costs at this clinic, so that an enquiry arrives with a question the doctor can actually answer. It does not print a session count, an interval or an appointment length for the group, because the clinic publishes none, and a number invented here would follow you into the consultation room as a false expectation.

Most people arrive at the category through one product name they saw somewhere. That is a reasonable way in and a poor way to choose, because the four kinds of material grouped under the word behave on different timescales. One works on repair signalling in the dermis. One asks the tissue to lay down collagen over weeks. One replaces structural matrix proteins. One is closer to water held in place. Being told which of those four your skin needs is the whole value of a consultation.

The list held here covers all four, and three of the products on it carry Rewind pages of their own. What this page adds is the comparison between them and the vials that have no page anywhere: the acellular-matrix line, the small hydration vials given alongside a light toxin dose, and the combination sessions run with radiofrequency microneedling. Those exist on the clinic's rate sheet and nowhere else on this site.

Injection room at Rewind Plastic Surgery, Apgujeong, Seoul
Fig. 01 — The product is named and agreed before anything is drawn up
Signals

Indications

The four complaints that bring patients to the booster list

The injection goes into the dermis across the treated field, most often the cheeks and mid-face, with the thin skin of the under-eye reserved for the lines formulated for it. Rewind's own description of who the category is for is short, and it is worth reading in the clinic's own order because it is a description of complaints, not of products.

complaint 01
Dryness and a tight feeling
Skin that draws and feels tight through the day, and does not hold what is put on top of it for long.
complaint 02
Texture that fights makeup
Base products sitting unevenly, catching on the surface, separating across the cheek by the afternoon.
complaint 03
Fine lines and a dull cast
Crepe lines that appear in photographs before they appear in the mirror, with skin that reads flat under light.
complaint 04
Several things at once
Pores, dullness and fine lines together, which is the presentation the clinic names last and sees most.

Two things sit outside this list. A booster is not an answer to tissue that has descended, and no amount of it will change a jaw line that has lost its outline; that conversation belongs to lifting. It also does not treat pigment, which has its own device and its own page. Bringing the wrong complaint to the injectable list wastes a visit and a vial.

Classes

Mechanism

Four kinds of material share the name skin booster

The categories below are the working divisions on the clinic's own shelf. Knowing which one you are being offered tells you when to expect a change and how to judge it, and those two things are where most disappointment with injectable skin treatment actually starts.

01Polynucleotide

Repair signalling, given as a short course

The polynucleotide vials are held here in a facial line and a dedicated under-eye line. What goes in is a fragmented nucleotide preparation that acts on the dermis as a signal to repair, and the complaint it is usually chosen for is skin quality in an area too thin for anything with body to it. It has its own page on this site.

02Polylactic acid

A stimulus now, collagen over the following weeks

Three products at Rewind sit in this family. Two are poly-L-lactic acid preparations, sold by the vial and given as a series. One is a hybrid whose polylactic-acid particles are carried in hyaluronic acid, and that carrier is what lets it be placed where surface quality is the complaint. Everything in this group is judged months after the appointment, never on the day.

03Extracellular matrix

Structural proteins, supplied from acellular dermal matrix

The Re2O vial is an extracellular-matrix booster derived from human acellular dermal matrix. The clinic lists what the matrix contains: collagen, elastin, fibronectin, laminin, tenascin, growth factors and MMPs, described as the protein set that supports skin cells and holds tissue structure. It is the line the clinic names for rough, dry skin and for pore-driven texture complaints.

04Hydration and combinations

Small vials, often paired with something else in the same visit

The rate sheet also carries short hydration vials, two of which are quoted together with a light butterfly-zone dose of botulinum toxin, and two combination sessions that pair a booster vial with radiofrequency microneedling. These are single-visit items priced as a set, and they are the part of the list patients almost never find on their own.

Dr. Jonghwan Choi assessing a patient's skin at the consultation desk
Fig. 02 — Which of the four classes applies is decided here, before a product is named
Rewind

Judgement

How the booster you are offered gets chosen here

A clinic that carries a dozen injectable lines can sell any of them to anyone who walks in asking for skin. What stops that from happening is a diagnosis made before a product is named, and a willingness to put the visit off when the complaint belongs somewhere else entirely.

01Diagnosis

The complaint is separated from the product request

Patients arrive naming a brand they read about. The examination starts from the skin: how thin it has become, whether the dullness is texture or pigment, whether the hollow being pointed at is volume loss or shadow. A request for a specific vial is treated as information about what the patient has been reading, and the plan is built from the face.

02Sequence

One material at a time, so the response can be read

Stacking two booster classes in the same course makes it impossible to say which one did anything, and it makes any adverse reaction harder to attribute. Where a combination is used it is the one the rate sheet already defines as a set. Otherwise the plan runs one line through to its review before another is considered.

03Context

The surgeon who lifts faces also decides when not to inject

Dr. Choi operates on descended tissue and injects skin, which means a patient whose real complaint is a jaw line can be told so at the first visit. That answer costs the clinic a vial sale. It is also the only answer worth paying a consultation fee for, and it is easier to give when the same person carries both halves of the practice.

Dr. Jonghwan Choi, board-certified plastic surgeon and medical director of Rewind
Fig. 03 — One surgeon decides the class, the product and the review
Room

On the day

A skin booster visit on the Apgujeong treatment floor

Treatment room at Rewind Plastic Surgery, Gangnam, Seoul

Fig. 04 — Treatment floor, Richro Building, Gangnam

Waiting area at Rewind Plastic Surgery, Apgujeong

Fig. 05 — Where patients sit before and after a short injectable visit

The consultation comes first, and the class is settled there. Say yes when the vial is shown to you, and say so if it is not: watching the seal break is the single verification available to a patient that what enters the syringe matches the line on the quote. The request is routine here and nobody is put out by it. Sessions are booked into the clinic's own rooms on the fourth and fifth floors of the Richro Building in Gangnam, Seoul, which open Monday, Tuesday, Wednesday and Friday from 10:00 to 19:00 and Saturday from 10:00 to 16:00.

Injected into the dermis
Numbing cream noted for the matrix line
No incision and no suture
Ordinary activity resumes the same day
Quoted per vial or per defined set
Class and product chosen by Dr. Jonghwan Choi

What this page leaves out is deliberate. Promotional artwork for these products carries effect badges and approval marks that no patient can verify, and reprinting them in English would lend them authority they have not earned. Product identity, composition where the clinic records it, and the published skin-ageing literature behind the category are reproduced here; the rest waits until someone has looked at your skin.

Record

Case photography

Booster photographs: what this clinic can show today

The case library Rewind has released is surgical. For the injectable list there is nothing yet that belongs to this clinic and its own patients, so the frames below are empty and stay that way. A category page is the easiest place in the world to borrow a convincing pair of photographs from, which is exactly why it should not happen here.

Skin boosters — case pairs

BEFORE PHOTO
AFTER PHOTO
BEFOREAFTER
case — injectable booster
Skin booster
Individual results may vary.
BEFORE PHOTO
AFTER PHOTO
BEFOREAFTER
case — injectable booster
Skin booster
Individual results may vary.
BEFORE PHOTO
AFTER PHOTO
BEFOREAFTER
case — injectable booster
Skin booster
Individual results may vary.
BEFORE PHOTO
AFTER PHOTO
BEFOREAFTER
case — injectable booster
Skin booster
Individual results may vary.

Skin quality is the hardest thing in aesthetics to photograph fairly. Distance, exposure and base makeup move the picture further than most injections do, and a category as broad as this one could be illustrated with a flattering pair from any product in it. When Rewind publishes booster pairs they will be its own patients, shot at matched distance and light on both dates, with the product named on the card, consent on file and the weeks between the frames written down. No specific outcome can be promised from anyone's photographs, and individual results may vary.

Rates

Pricing

Skin booster prices at Rewind, product by product

The six lines below are the clinic's current rates, set side by side because a patient weighing up the category deserves the whole shelf in one view. Two of them are combination items the rate sheet defines as a single visit, and their price covers both halves of that visit.

Rejuran Healer — 2ccPolynucleotide, the facial line
₩300,000
Juvelook Skin — 1 vialPolylactic-acid particles carried in hyaluronic acid
₩700,000
Sculptra — 1 vialPoly-L-lactic acid, quoted by the vial and given as a course
₩900,000
Re2O — 1 vialExtracellular-matrix booster from human acellular dermal matrix
₩590,000
SkinVive 1cc with butterfly-zone skin doseCombination visit: hydration vial plus a light botulinum toxin dose across the cheek zone
₩200,000
ByRyzn 1cc with butterfly-zone skin doseCombination visit, the shorter of the two hydration sets on the sheet
₩150,000

None of the six rates has VAT inside it; the tax is added at the desk, so what you settle runs above what this page prints. Any numbing preparation used during the visit is already counted in the rate. Two further items on the clinic's sheet, a matrix vial run with radiofrequency microneedling and an acne-directed booster run the same way, are quoted at consultation because the composition of the session changes with the skin; they are not listed here with an invented number.

Fit

Suitability

Who the booster list suits, and when it is declined

A reasonable place to start

  • Skin that feels dry and tight through the day and stops holding what is applied to it
  • Texture complaints described through makeup: base catching, settling unevenly, separating by afternoon
  • Fine lines and a dull cast with an intact facial outline and no descent to speak of
  • Several concerns arriving together, which is the presentation this category was built around
  • Patients willing to come back for a review before anything else is added

Reasons the doctor holds off

  • The complaint is descent or a lost jaw line, where injecting skin changes nothing that is bothering you
  • The complaint is pigment: melasma, freckling or sun damage, all of which belong to a device and not to a vial
  • Active acne, infection or inflamed skin over the intended field, until it has settled
  • Any history of a firm lump or late nodule after a stimulator injection anywhere on the face
  • Pregnancy or breastfeeding, and a fixed date close enough that swelling would be unwelcome
After

Recovery

What the clinic asks for after a booster injection

Downtime across this category is short and the instructions are specific. Rewind's own aftercare note is brief enough to quote in full, and the parts of it that people ignore are the parts that decide whether the first two days look tidy.

Same day
Back to ordinary activity
The clinic's position is that normal daily life resumes straight after the visit. Sauna, hard exercise and alcohol are kept out of the rest of the day.
First two days
Hands off the treated skin
No rubbing and no pressing on the injected area for one to two days. Moisturiser and sun protection go on carefully, which is the instruction most often skipped.
Early days
Small marks settle
Faint redness or a stinging feeling can follow the injection and mostly subsides within a few days. That is the clinic's own wording, and it is not a promise about your skin.
Holding period
A wide band, by product
Rewind puts the category anywhere from one to three months up to beyond a year, depending on which material was used and the state of the skin. Your own band is discussed at review.

Any injection into facial skin carries real risk and the list is worth reading before you book rather than afterwards. Bruising, swelling, redness and tenderness at the puncture sites are common in the first days. Small lumps can be felt while a vial disperses, and the stimulator materials in this category are followed specifically for firm papules and late nodules, so depth and volume belong to the surgeon. Infection and vascular occlusion are rare and serious. Increasing pain, blanching or discolouration of the skin, or any vision change should be reported to the clinic immediately without waiting for the review appointment.

Doctor

Professional

At Rewind, one board-certified plastic surgeon carries every case — from the first consultation to the final follow-up. Because a face is a story, and a story deserves a single author.

Dr. Jonghwan Choi, board-certified plastic surgeonRewind,
Dr. Jonghwan Choi presenting at an academic session
Fig. 06 — Academic presentation, thread-lifting session

Rewind's Doctor

Dr. Jonghwan Choi Medical Director

One surgeon, from the first
consultation to the last follow-up.

A board-certified plastic surgeon devoted to anti-aging lifting — with the precision and restraint built through years of craniofacial practice.

Board-certified plastic surgeon (Plastic Surgery)
10 peer-reviewed publications
Medical Director, Rewind Plastic Surgery
Korean Society of Plastic & Reconstructive Surgeons
Former chief director, Apgujeong Y&T Plastic Surgery
Korean Society for Aesthetic Plastic Surgery
J Craniofac Surg · JKMS · Arch Craniofac Surg
Korean Cleft Palate-Craniofacial Association
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What our patients say.

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Ask

Questions

Skin booster questions asked before a product is chosen

Which booster products does Rewind actually hold?
The clinic's own category page names its lineup: the polynucleotide facial and eye lines, two poly-L-lactic acid products, a hybrid polylactic-acid vial in Skin and Volume versions, the acellular-matrix Re2O vial, a water-glow polynucleotide preparation, and three shorter hydration and combination vials. Rates for six of them are listed above.
Does a booster change the shape of my face?
No. The material goes into the skin to work on its condition, and contour belongs to a different group of products entirely. If what you want is a fuller cheek or a defined outline, the consultation moves to dermal filler or, where tissue has descended, to a lifting discussion.
My skin is dry and tight. Which class would that point to?
Dryness and tightness is the first complaint on the clinic's own candidate list, and it usually points at the hydration or matrix end of the shelf before the collagen stimulators. The examination settles it, since dryness with thin, crepey skin and dryness with good skin thickness are answered by different vials.
Can two different boosters be used in one course?
Rewind's rate sheet defines two combinations as single visits, each pairing a booster vial with radiofrequency microneedling, and two more pairing a hydration vial with a light toxin dose. Outside those defined sets, one class is run through to its review first, so that any change or any reaction can be attributed.
How long before my skin returns to how it was?
Rewind gives the category a deliberately wide band: one to three months at the short end, beyond a year at the long one, turning on which material went in and what state the skin was in when it did. No tighter figure is published for any single line held here, and none is manufactured on this page.
Will my face be marked when I walk out?
Rewind's wording is that faint redness or a stinging sensation may follow and mostly settles within a few days, and that ordinary daily life resumes straight after the visit. Puncture marks and small bruises are the realistic version of that for some people, particularly across the under-eye.
What is the Re2O vial made from?
It is an extracellular-matrix booster sourced from human acellular dermal matrix. The clinic lists the matrix content as collagen, elastin, fibronectin, laminin, tenascin, growth factors and MMPs, described as the protein set supporting skin cells and holding tissue structure. It has no page of its own; the rate sits in the pricing section above.
Is anything applied to dull the sting first?
For the acellular-matrix line the clinic records a numbing cream and no sutures. For the rest of the category no preparation note is published, so ask at the consultation and take the answer from the room. Nothing about anaesthesia is generalised across the group on this page.
I have a few days in Seoul. Is a single session worth booking?
It depends entirely on which class fits your skin. The hydration and matrix vials do something a patient can appreciate from a single visit. The collagen stimulators are planned as a series and assessed weeks later, so booking one in isolation on a short trip means paying for a start you cannot finish.
Is the figure on this page the figure on my receipt?
They are the current list rates, with the tax added afterwards at reception and any numbing preparation already counted in. Two combination items carry no published figure because what goes into them varies with the skin, so those are quoted in the room. Every number you hear at the desk is read off this same sheet.
Which complications does the clinic warn about?
Puncture-site bruising and tenderness over the first days, alongside the faint redness the clinic already flags in its own note. Beading can be felt while a vial spreads out. The collagen-stimulator end of the shelf is watched for firm papules appearing late. Blockage of a small vessel is the rare emergency: blanched skin, escalating pain or any change in sight means calling that same day.
Who decides the product, and what happens at the review?
Dr. Jonghwan Choi examines the skin, names the class and holds the syringe himself, since this clinic runs on one surgeon. At review the completed course is read back against the face, and “nothing more for now” is a conclusion he reaches about as often as “carry on”. Visitors from abroad are seen with interpreting support.
Booking

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Scientific evidence

Why dermis is the target: the skin-ageing literature

Every product listed above aims at one thing, and these five papers describe it: what becomes of dermal collagen and the matrix around it with age, how skin thickness and mechanical behaviour shift over a lifetime, and what an extracellular matrix is made of and what it holds together. None of the work was carried out at Rewind Plastic Surgery or on patients treated here, none of it was funded by this clinic, and none of it forecasts what a particular vial will do to your own skin.