Plastic Surgeon in San Francisco and Beverly Hills

Comparing Skin Booster Treatments in the USA and Korea

Comparing Skin Booster Treatments in the USA and Korea

May 15, 2025

Introduction: What Are Skin Boosters?

Skin boosters are minimally invasive injectable treatments that improve skin quality (hydration, texture, radiance) rather than adding facial volume. They are typically micro-injections of substances like hyaluronic acid or other bioactive compounds delivered into the skin to enhance moisture and stimulate rejuvenation 

Not Fillers or Sculpting Injectables

Unlike traditional dermal fillers which are injected deeper to restore lost volume or contour the face, skin boosters are placed superficially (in the dermis) and “not designed to rebuild volume but to target subtle lines, hydrate, and give skin more radiance.”

In other words, fillers fill wrinkles or augment features, whereas boosters act like “supercharged skin serums” injected into the skin for glow and smoothness.

Preventative Approach

Skin boosters are often used to prevent aging signs and maintain skin health, aligning with the trend of “prejuvenation.” It’s not about fixing a problem but preventing it.

Skin boosters help keep skin youthful before deep wrinkles or volume loss occur. This preventative, skin-quality-focused approach sets boosters apart from corrective treatments like deep fillers or surgical lifts.

Popular Skin Booster Treatments in the USA

Skinvive (Hyaluronic Acid Microdroplet Booster): A recently FDA-approved (2023) skin booster by Juvéderm, and the first of its kind in the US. Skinvive is a soft hyaluronic acid gel injected as tiny droplets into the dermis of the face (especially the cheeks) to improve hydration and smooth fine lines.

 

It doesn’t volumize the face, but rather, gives a subtle “glowier, smoother, and more hydrated” skin texture for about 6 months. In essence, it’s like injecting a long-lasting moisturizer to boost radiance.

Available in the US, But Off Label - Neurotoxins, Like Botox or Letybo

While neurotoxins like Botox are best known for smoothing expression lines by relaxing facial muscles, they’re also gaining popularity as skin quality enhancers when used in ultra-low doses—a technique sometimes called “micro-Botox” or “skin Botox.” 

 

Instead of targeting deep muscles to freeze wrinkles, the neurotoxin is injected more superficially into the skin’s upper layers using tiny amounts. This approach helps to refine pores, reduce oiliness, calm redness, and improve skin texture without affecting facial movement. Patients often notice that their skin appears smoother, tighter, and more radiant, with a poreless, almost “airbrushed” finish. 

 

Some studies also suggest that these microinjections may help regulate sweat and sebum production, which can be especially helpful for those with acne-prone or oily skin. When used this way, neurotoxin becomes less about freezing lines and more about elevating overall skin tone and clarity, making it a subtle but powerful tool in the quest for glowing, camera-ready skin.

Available in the US, But Used as Dermal Fillers - Not Skin Booster

Radiesse (Calcium Hydroxylapatite Bio Stimulator)

An injectable implant containing CaHA microspheres that has traditionally been used as a filler for deeper wrinkles and volume (injected subdermally, e.g. along smile lines or jawline). Radiesse provides an immediate scaffolding and over time stimulates the body’s collagen production (neocollagenesis) around the CaHA particles.

This collagen stimulation can firm and thicken the skin for a year or more. In “skin booster” applications, Radiesse is often hyperdiluted (mixed with saline/lidocaine) and injected more superficially. The diluted Radiesse acts primarily as a collagen stimulator to improve skin texture, elasticity, and crepiness (for example, to tighten the neck or arms) without adding bulk volume. Its mechanism is purely bio-stimulatory – building new collagen for firmer, youthful-looking skin.

Sculptra (Poly-L-Lactic Acid Collagen Stimulator)

An injectable made of poly-L-lactic acid, classified as a biostimulator rather than a traditional filler. Sculptra is injected into the deep dermis or subcutaneous layer and doesn’t give immediate volume; instead, over weeks it induces collagen production that gradually restores facial volume and improves skin thickness. It’s FDA-approved in the US for correcting shallow to deep nasolabial fold wrinkles and other facial wrinkles by stimulating collagen. 

Sculptra promotes some collagen production with poly-L-lactic acid (PLLA), targeting volume loss and deeper wrinkles. Multiple sessions (typically 2-3 sessions over a few months) are done, and results can last 2+ years as new collagen forms. 

While its primary use is to revolumize areas like sunken cheeks or temples, Sculptra also improves skin firmness and can soften fine lines as the skin’s support structure is rebuilt from within.

In the context of boosters, some practitioners use very dilute Sculptra for general skin quality improvement, but care must be taken with injection depth to avoid nodules.

Popular Skin Booster Treatments in South Korea

Rejuran (Polynucleotide “Skin Healer”)

A signature Korean skin booster made from polynucleotides (PN) extracted from salmon DNA. Rejuran (often called Rejuran Healer) is injected in micro-aliquots into the dermis. Its active PDRN component stimulates fibroblasts and cell repair, thereby promoting collagen production and skin regeneration. This leads to improved skin elasticity, repair of damaged skin, and reduction of fine lines and pore size. 

In short, Rejuran leverages salmon DNA to rejuvenate skin from within.

Typically done in a series of sessions (e.g. 3 sessions a few weeks apart), Rejuran helps strengthen the skin barrier, add hydration, and give a youthful glow over time. It’s very popular in Korea for overall anti-aging and “baby skin” refinement, although it is not yet approved in the US.

Juvelook (Hybrid HA + PDLLA Collagen Booster)

A Korean skin booster that combines non-crosslinked hyaluronic acid with poly-D,L-lactic acid (PDLLA, a form of lactic acid polymer similar to PLLA/ Sculptra) microspheres. This unique hybrid provides a one-two punch: the HA offers immediate hydration and a bit of plumping, while the PDLLA particles gradually stimulate collagen production in the dermis. 

The result is both instant glow and longer-term firming. Juvelook is often recommended for improving acne scars, fine wrinkles, and skin density – the HA fills and hydrates superficial indentations, and the collagen stimulation helps remodel scar tissue and wrinkles over time.

Clinics describe it as “advanced polymer PLLA technology with hyaluronic acid… stimulating continuous collagen production, enhancing volume, skin elasticity, fine wrinkle care, and improving skin texture.” In practice, Juvelook can be injected via syringe or even delivered via devices (one study used microneedle RF to deliver PDLA for acne scars).

It’s a popular choice in Korea for those who want the combined benefits of a filler and a collagen stimulator in one treatment. Juvelook is NOT available in the USA, as it has no FDA approval yet.

Micronized Acellular Dermal Matrix (ADM) 

An advanced, injectable collagen made from donated human skin that has been carefully processed to remove all cells (hence “acellular”) and broken down into tiny particles (“micronized”). The result is a smooth, ready-to-use gel of natural collagen matrix that a surgeon can easily inject with a fine needle. 

Once placed under the skin, micronized ADM acts like a scaffold, encouraging your own cells to regenerate tissue and produce new collagen for healing and rejuvenation In practice, this means it can fill in sunken scars (such as acne scars or indentations) and restore lost volume in the face or body with a very natural look and feel. 

Plastic surgeons also use it in reconstructive procedures – for example, to help rebuild breast contours after lumpectomy or to support healing in a chronic wound – because the material integrates with your body and gradually strengthens the treated area. 

Unlike traditional fillers that simply add volume for a limited time, this collagen-rich matrix actually promotes tissue repair and long-lasting support. It is derived from real human dermal tissue, so it’s biocompatible and well-tolerated, offering patients a safe, cutting-edge option to rejuvenate and repair their tissue with minimal invasiveness.

 

Exocleo (Exosome-Based Booster)

One of the newer innovations in Korean aesthetic treatments involves the use of exosomes – tiny extracellular vesicles derived from stem cells or other cells – to regenerate skin. Exocleo is a brand name of an exosome-rich skin booster (the name suggests “Exo-” for exosome, though details vary by provider). 

Exosome boosters are touted for delivering growth factors and genetic material that can “rejuvenate and repair skin at a cellular level,” essentially instructing skin cells to behave in a younger, healthier way. In treatment, exosome solutions are applied or injected into the dermis (sometimes after microneedling or laser to enhance penetration). 

The mechanism is tissue regeneration: exosomes can stimulate collagen and elastin production, calm inflammation, and encourage healing of damaged skin. South Korea has been at the forefront of experimenting with exosome therapy in cosmetics, and such technologically advanced skincare is gaining popularity for its ability to improve skin quality beyond what topical products can do. 

However, exosome treatments are still emerging – they lack long-term studies and are not standard in the West. In the US, therapeutic use of exosomes is largely unregulated/experimental as of 2025, so this type of booster hasn’t entered mainstream practice yet.  It is available for “cosmetic” use, but can only be given topically, and not injected. 

Mechanisms of Action of Skin Boosters

Intense Hydration

Many skin boosters use hyaluronic acid (HA) – a molecule naturally found in skin that holds water – to flood the dermis with moisture. By injecting a soft HA gel or solution intradermally, they replenish the skin’s hydration reservoirs. 

For example, Skinvive and similar HA boosters deposit HA throughout the skin, which attracts water and gives the skin a dewy, plump appearance from within. This hydrates dry, crepey skin and immediately improves suppleness. Over the weeks after treatment, the sustained hydration can also lead to a subtle stimulation of collagen (due to improved cell function in a hydrated environment and stretching of fibroblasts). The primary effect, however, is enhanced glow and smoothness from better hydration.

 

Collagen Stimulation

Another key mechanism is triggering the skin’s collagen production. 

Products like Sculptra (PLLA) and Radiesse (CaHA) work by causing a controlled inflammatory response that induces fibroblasts to lay down new collagen fibers around the injected material. Radiesse’s calcium microspheres act as a scaffold and “stimulate the gradual growth of the patient’s own collagen”, with collagen deposits forming around the microspheres over months.  Sculptra’s tiny PLLA particles are absorbed over time, but as they dissolve they prompt the skin to produce new collagen strands, thickening the dermis. 

Similarly, Juvelook’s PDLLA content triggers collagen synthesis while its HA provides immediate volume. The outcome of collagen stimulation is improved skin firmness and elasticity and reduction in wrinkles, which develops gradually and can last well beyond the material’s presence.

 

Tissue Regeneration & Repair

Some boosters aim to repair skin and spur cellular regeneration. Rejuran’s polynucleotides are thought to engage cell receptors that boost skin’s natural repair processes – increasing fibroblast activity, enhancing microcirculation, and even aiding DNA repair in damaged cells. This leads to healing of micro-scars, refinement of texture, and a healthier skin barrier. 

Exosome-based treatments go a step further by delivering signaling molecules that can instruct cells to regenerate – for instance, they can upregulate growth factors for collagen and elastin, and downregulate inflammation. Over a series of treatments, these regenerative boosters can improve scars, reduce redness, and strengthen thin, fragile skin. 

In essence, exosomes don’t just add something to the skin (like HA or CaHA) but actively change the skin’s biology to a younger state.

Combination Effects

Many boosters provide a combination of the above mechanisms. For instance, an HA-based “vitamin cocktail” injection (such as the popular Korean “Chanel injection”) hydrates and also delivers amino acids, vitamins, etc., which can stimulate collagen and brighten the skin. The result is plumper and more luminous skin with improved texture as collagen production is lightly stimulated for months after. 

 

By addressing hydration, collagen, and cell stimulation together, combination boosters aim for a comprehensive rejuvenation (immediate glow plus long-term firmness).

Injection Techniques and Depth

Microdroplet Intradermal Injection: Skin boosters are generally injected into the dermis (the middle layer of skin) or at the dermal-epidermal junction. The technique involves very small aliquots (drops) of product per injection, distributed evenly across the treatment area. 

 

For example, Skinvive is indicated for “injections between the layers of the skin (intradermal) to improve the smoothness of the cheeks.” Practitioners use fine needles or cannulas to deposit the booster in a grid or fanning pattern over the face. This superficial placement (unlike deep fillers) is what allows the booster to integrate into the skin and not produce lumps or overt volume.

Mesotherapy Devices 

In Korea and elsewhere, specialized injector devices (like multi-needle stamp injectors or injector guns) are often used to deliver skin boosters. These devices can inject precise microdroplets at a consistent depth across a large area (sometimes called “水光注射” or “skin glow injections” in Asia). 

 

For instance, the Dermashine injector is used in some Korean clinics to evenly introduce HA skin booster across the whole face for an all-over glow. This ensures a uniform blanket of hydration under the skin.

Depth Considerations

The appropriate depth is crucial for all skin boosters. 

HA boosters and PDRN like Rejuran are placed superficially (upper to mid-dermis) – one can sometimes see tiny papules on the skin right after injection, which then smooth out as the product diffuses. 

Bio stimulators (Sculptra, Radiesse) typically require deeper placement (deep dermis to subcutaneous) to avoid any visible nodules and because they target the deeper collagen network. However, when used in a “skinboosting” fashion, Radiesse or Sculptra may be diluted and fanned in the lower dermis to stimulate collagen in a broader area. The injector’s skill lies in reaching the correct layer: too superficial with something like Sculptra and you risk bumps; too deep with an HA booster and you lose the skin-surface glow effect.

Treatment Protocols

Most skin booster treatments are done as a series initially. A common protocol is 3 sessions spaced 2–4 weeks apart (especially for boosters like Rejuran or Juvelook). Gradual improvement is seen after each session. After the initial series, maintenance injections might be done every 6–12 months. 

 

Traditional fillers are usually one-and-done for the year, whereas boosters are more of a “skin therapy” that may be repeated periodically to continually improve skin quality. Also, minimal downtime is a feature: aside from some pinprick marks or mild swelling for a day or two, there is typically little recovery needed, especially compared to more invasive procedures.

Treatment Goals and Outcomes

Radiant “Glow”

Perhaps the most coveted outcome of skin boosters is the increase in skin radiance. By deeply hydrating the skin and smoothing its surface from within, boosters impart a dewy “lit from within” glow that topical products often can’t achieve. Patients often report their skin looks more “luminous” a couple of weeks after treatment.

Fine crêpey lines are minimized, so light reflects better, and the overall complexion appears fresher and more rested. Skinvive’s promise, for instance, is to make the skin “glowier, smoother, and more hydrated” over months – essentially boosting the natural shine of healthy skin.

Firmness & Elasticity

By stimulating new collagen and elastin, many boosters lead to firmer, bouncier skin. This is a subtle tightening – not the dramatic lift of a facelift or the volume of a cheek filler – but rather an overall improvement in skin turgor (springiness). 

Areas starting to show slight sag or fine wrinkles (like the cheek hollows, nasolabial area, or neck lines) can appear more taut after collagen-stimulating boosters. Radiesse and Sculptra are known for significantly increasing dermal thickness and firmness via bio stimulation. In Korea, even younger patients get skin boosters to keep their skin resilient and delay sagging. The outcome is skin that feels firmer to the touch and has less laxity over time.

Glass Skin - Improved Texture & Pore Refinement

Skin boosters can refine the skin’s texture, making it smoother and more even. By filling in shallow depressed areas (like mild acne scarring or enlarged pores) with HA and by promoting regeneration, boosters reduce roughness. 

Korean clinics use Rejuran to help with pore size and acne scars, and Juvelook specifically helps to clear acne scars and texture by inducing your own collagen.  Additionally, the technique of “skin Botox”(micro Botox injections in the dermis) often accompanies boosters in Korea to shrink pores and reduce oil, yielding a porcelain-smooth finish. The combined approach dramatically improves texture – anecdotally termed “glass skin” in K-beauty, meaning virtually poreless, silky skin.

Fine Lines and “Crepey” Skin Reduction

Fine lines, especially those caused by dryness or early collagen loss (think fine cheek lines, crows feet, smoker’s lines around mouth), respond well to boosters. Hydration plumps up fine lines from beneath, making them less visible. Furthermore, as new collagen fills in the dermal matrix, fine wrinkles are “ironed out” naturally. 

Clinical studies with Rejuran showed a notable reduction in fine lines like crow’s feet after a series of treatments. Skin boosters essentially function as an internal skin smoothing treatment, softening those tiny lines that lasers or creams may only partly address. Patients often notice their makeup sits better on the skin and doesn’t crease as much after boosters, thanks to the smoother canvas.

Healthier, Stronger Skin

Beyond cosmetic improvements, a key goal (particularly in Asian skincare philosophy) is better skin health. Skin boosters can strengthen the skin barrier and improve hydration levels long-term, which helps the skin protect itself from environmental damage. 

Rejuran is noted to “activate the self-regeneration ability of skin” making the skin healthier and more resilient. Many users report their skin feels better – less sensitivity, less redness, and faster recovery from minor irritation. This kind of overall skin wellness is a goal in Korea, where having youthful skin is as valued as reducing specific wrinkles.

The goal is skin that not only looks younger but behaves like younger skin.

Cultural, Regulatory, and Market Differences

Regulatory Environment

In the US, injectable treatments must clear the FDA’s rigorous approval process, which means fewer skin booster products are available. For instance, popular Asian boosters (Rejuran, PN injections, exosome products) are not FDA-approved, so American doctors cannot offer them. The US approval of Skinvive in 2023 marked the first true skin booster in the market. 

By contrast, South Korea’s regulatory framework has historically been more flexible in allowing new aesthetic treatments. The MFDS (Korea’s regulatory body) does oversee injectables, but Korean companies have been quick to develop and release novel boosters for domestic use. (As of 2025, rules are tightening somewhat – new products with unapproved ingredients in Korea now require clinical data and a 4–6 month review before market launch, reflecting the booming market’s need for oversight.) 

Still, Korea enjoys a faster pipeline from innovation to clinic. This means Korean practitioners often have a wider menu of cutting-edge skin boosters, while US practitioners are limited to what’s FDA cleared or used off-label.

Aesthetic Preferences

Cultural beauty ideals influence the popularity of treatments. Korean beauty culture (K-beauty) prioritizes flawless skin – an even tone, moist glow, and youthful bounciness are hallmarks of beauty in Korea. There is a saying that Korean skincare is “skin-first,” and it shows: treatments like boosters that promise “brighter and healthier” skin are in high demand. Many Koreans in their 20s and 30s get skin boosters not just to treat wrinkles (which they may not have yet) but to achieve that coveted translucent “glass skin” look and to delay aging. 

In the USA, historically the focus was more on feature-centric enhancements – e.g. plumping lips, chiseling cheeks, erasing wrinkles – often addressing signs of aging after they appear. However, American trends are evolving, and more patients now seek overall skin quality improvement and a natural look. The idea of looking well-rested and glowing (rather than obviously “done”) is becoming more popular, partly influenced by K-beauty and the global exchange of beauty trends. This has opened the door for skin boosters in the US market recently.

Market Adoption and Trends

South Korea’s aesthetic industry is extremely competitive and tech-driven. Clinics frequently adopt the latest treatments to cater to an educated, trend-savvy clientele. It’s common in Seoul to see advertisements for the newest injectables or combination therapies. For example, exosome boosters gained traction quickly due to the promise of cellular rejuvenation. 

The “global fascination with K-beauty” has also meant that Korea often sets the pace – international patients travel to Seoul for treatments, and Western companies watch Korean trends for inspiration. In the USA, the market is catching up: the success of Skinvive and the increasing off-label use of “biostimulator” treatments for skin quality show a shift. 

Dermatologists in the US are now talking about “skin health from within” and offering combined protocols (for instance, microneedling with exosome serums, or diluted Radiesse for neck rejuvenation) that were inspired by Asian practices. 

Still, differences remain: Korean clinics might bundle a skin booster + laser + facial in one session as a comprehensive approach, whereas US clinics tend to offer injectables separately from device-based treatments. 

Pricing and accessibility also differ – in Seoul, skin booster injections can be relatively affordable due to high volume and competition, allowing younger people to do them regularly, while in the US these treatments (being new and sometimes considered premium) might be cost-prohibitive for routine use.

Product Availability

Simply put, some products are region-specific. Rejuran, Juvelook, and other Korean boosters are not sold in the US, and conversely, an FDA-cleared brand like Skinvive only recently hit the US and hasn’t reached Asia yet as “Skinvive” (though Juvéderm’s Volite is essentially the same product abroad). 

Radiesse and Sculptra are available in Korea (and used by doctors there too), but Korean patients often gravitate toward their local innovations for skin boosting. Additionally, Korea has many home-grown booster “cocktails” (like the Filorga “Chanel” injection with vitamins or various amino acid mixes) that don’t exist in the US market. 

Regulatory classifications also differ – some skin boosters in Korea might be regulated as “cosmetics” or quasi-drugs for skin, making them easier to use in aesthetic clinics, whereas in the US any injectable is a drug or device needing approval. These regulatory nuances shape what’s popular locally.

Trends in Aesthetic Medicine Influencing Popularity

Preventative “Prejuvenation” Trend

Both in East Asia and increasingly in the West, there is a movement towards starting cosmetic interventions earlier to prevent aging rather than dramatically reversing it later. Skin boosters perfectly fit this trend – they are marketed as maintenance for youthful skin. 

Young professionals in Korea have been doing preventive skin booster shots for years, and now more Americans in their late 20s and 30s are opting for treatments like microdoses of filler or boosters to keep skin quality high. This trend explains why an approach like Skinvive, which smooths early fine lines and boosts radiance, found a ready audience in the U.S. as the concept of “baby Botox and beyond” catches on.

 

Natural-Looking Results

After a period where more extreme makeovers (e.g. very full lips, sharply contoured cheeks) were in vogue, there’s been a swing back to subtlety. Patients want to look refreshed but not obviously “filled.” 

Skin boosters give exactly that – improvements that are often commented on as “you look well-rested” or “your skin looks great” rather than “what work did you have done?” 

This desire for natural results has driven interest in treatments that improve skin itself. Aesthetic doctors note that skin quality is the new centerpiece of a youthful look, sometimes even more important than chasing every deep wrinkle. So, skin boosters ride the wave of treatments that yield a “no-makeup glow” or “filter-like” skin in real life, aligning with beauty trends on social media that emphasize clear, radiant skin.

K-Beauty’s Global Influence

Korean beauty trends (from 10-step skincare routines to dewy makeup) have spread worldwide, bringing attention to procedures common in Korea. The idea of the “glass skin” injection or the many booster brands in Seoul has piqued curiosity abroad. We see Western beauty magazines writing about Korean skin boosters and people traveling to get them.

This cross-pollination has led to Western clinics adopting similar practices (for example, offering “skin booster facials” or importing device techniques). It also pressures Western manufacturers to innovate. In fact, Allergan (maker of Juvéderm) likely pushed Skinvive’s development/approval seeing the success of HA boosters overseas. 

As long as K-beauty continues to set a high bar for skin perfection, it will influence treatment preferences in both regions, with the U.S. adapting some of those innovations to local standards.

Technology & Combination Therapies

Advances in delivery (like micro-needling RF, laser-assisted drug delivery, etc.) are enabling new kinds of boosters. In Korea, it’s common to combine modalities – for instance, using a fractional laser then immediately applying an exosome or PN booster serum so it penetrates deeper, or combining microneedling with injectable vitamins. These combination approaches yield better results than either alone, and this holistic trend is catching on. 

In the U.S., physicians are beginning to incorporate more combination treatments (like a “laser + injectables” approach in one session) as they realize synergistic benefits. The popularity of collagen biostimulators is also growing in both regions – not just Sculptra and Radiesse, but also newer products (e.g. Ellansé a PCL-based filler in Europe/Asia). 

This indicates a broader trend: patients aren’t just looking for instant fixes, they’re interested in treatments that improve the skin over time (sometimes called “skin fitness”). Skin boosters, whether HA-based, collagen-stimulating, or regenerative, are at the heart of this movement toward long-term skin health in aesthetic medicine.

Conclusion

In summary, skin booster treatments — from America’s new Skinvive to Korea’s beloved Rejuran and innovative exosome boosters — represent a shift in cosmetic dermatology towards enhancing skin itself, not just altering contours. The USA and South Korea may differ in available products and beauty culture, but both share the ultimate goal of healthy, radiant skin.

 

American practices are beginning to embrace the hydration and collagen-stimulation strategies that have been popular in Asia for years, while Korean clinics continue to pioneer novel approaches (often inspiring the rest of the world). By understanding the mechanisms (hydration vs. collagen vs. regeneration) and the aims (glow, firmness, texture) of these boosters, patients in both regions can choose treatments best suited to their needs. 

 

Different markets, but a common worldwide goal: a youthful, glowing complexion that looks effortless and natural, achieved through the science of skin boosters. 

 

With global trends leaning into preventive and holistic skin care, we can expect the lines between USA and Korean approaches to blur, bringing more cross-adoption of these rejuvenating treatments in the years to come.

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