The Complete Skin Booster Guide: The Differences Between Juvelook, Rejuran, and Volite

"Juvelook, Rejuran, Volite… I often see them on social media, but which one is actually right for me?"

Are you sighing in front of the mirror with this kind of worry? Dryness, fine lines, and a lack of firmness that increase with age. If you've tried expensive skincare but feel you've hit a limit, the now-talked-about "skin booster" may be your next move.

In this article, we thoroughly explain the following five points so that even those without knowledge of cosmetic medicine can understand how to choose.

• The "decisive difference" between skin boosters and conventional cosmetic injections
• Fast-acting Volite (HA-based)—its mechanism and effects
• Rejuran (PN-based), which rejuvenates cells—its secret
• Juvelook (PLLA-based), No. 1 in longevity—its magic
• [By age and concern] A guide to the product that's perfect for you

Aiming for zero jargon, we explain in an easy-to-understand way alongside supporting research data. By the time you finish reading, you should be able to say in a consultation, without hesitation, "This one is for me!"

Wait, it's different from before? Why "skin boosters" are changing the common sense of cosmetic medicine

What exactly is a skin booster (injectable skin booster) in the first place?

Conventional hyaluronic acid injections aimed at "physical filling"—filling the grooves of deep wrinkles or adding volume to facial features. However, skin boosters, by directly injecting tiny amounts of active ingredients finely into the dermal layer (deep within the skin),improve and boost the skin quality itself at its root—they are a new treatment method.

As we age, fragmentation of collagen (crumbling apart) occurs in our skin. The fibroblasts that produce collagen (the factory that creates the skin's elasticity) then lose their scaffold and collapse, and stop making new collagen. Skin boosters repair and strengthen this crumbled scaffold—the "extracellular matrix"—and reactivate the fibroblasts.

There are mainly the following three types of approaches.

1. Moisturizing and structural improvement (HA-based):Retains moisture and physically stretches the skin's scaffold.
2. Tissue regeneration (PN/PDRN-based):Acts at the cellular DNA level to promote repair.
3. Collagen induction (PLLA-based):Uses a mild inflammatory response to grow your own collagen over the long term.

Skin turns into an oasis in just one session? The secret behind the fast action of HA-based products (Volite, etc.)

Hyaluronic acid (HA)-based skin boosters are suited to those who think, "I want to hydrate my skin right away for tomorrow's date or next month's event!"

The "physical stretch" effect brought by hyaluronic acid

HA-based skin boosters do more than just replenish moisture. In a study by Wang et al., it was found that when cross-linked hyaluronic acid is injected into the dermis, the moisture-holding component physically stretches the fibroblasts "taut." This tension wakes up the cells, and the production of type I collagen begins anew.

Furthermore, in a study by Quan et al., the extracellular matrix support strengthened by HA injection activated not only fibroblasts but also the cells of blood vessels and the epidermis, and the increase in collagen production was confirmed tolast for at least 12 weeks.

Surprising clinical data and duration

In a study by Kerscher et al., injecting microdoses (very small amounts) of HA three times at a pace of once a month resulted ina significant improvement in skin elasticity and an improvement in surface roughness. Even more surprisingly, the effect was reported to reach its maximum 24 weeks (about six months) after the final injection.

A cellular time machine that reverses age? The secret of PN/PDRN-based products (Rejuran)

"Lately my skin has gotten thinner, and fine lines and enlarged pores stand out…" For such tired skin, PN/PDRN-based products (polynucleotides), represented by "Rejuran," are being chosen.

The mechanism that regenerates skin at the DNA level

Polynucleotide (PN), the main ingredient of Rejuran, is a highly safe substance extracted from salmon DNA. When injected into the skin, it acts directly on cell receptors and stimulates growth factors (such as VEGF) that create new blood vessels. As a result, fibroblasts damaged by aging or ultraviolet rays rapidly proliferate and activate, and large amounts of collagen and elastin are produced.

What concerns does it work on?

Clinical data shows that a few treatments increase dermal thickness by 15–20%. As a result, it has overwhelming adaptability forfundamental skin-quality improvement, crepey fine lines around the eyes, redness from acne scars, and tightening of enlarged pores. As for the recommended interval, ideally the first three sessions are done every 3–4 weeks.

Slow-acting yet maximum satisfaction? The magic of PLLA-based Juvelook that lasts over two years

For those who think, "Injecting over and over is painful and troublesome. I don't mind if it takes time—I want something whose effect lasts long!", the PLLA-based (poly-L-lactic acid) "Juvelook" is in the spotlight.

The mechanism that grows collagen slowly but surely

PLLA (poly-L-lactic acid) is a substance that is safely absorbed in the body. According to a study by Goldberg et al., after injection, PLLAinduces slow but very powerful collagen production by triggering a controlled inflammatory response. Juvelook is a product that combines hyaluronic acid with "PDLLA," a smoother spherical form of this PLLA; the hyaluronic acid produces the initial effect right after injection, and then the PDLLA increases your own collagen over time.

The duration is an astonishing two years at most

Whereas HA-based products are absorbed in about several months to a year, the self-collagen production effect from Juvelook is said to last a year and a half to over two years. It is ideal for naturally restoring skin volume and smoothing deep wrinkles and the depressions (craters) of acne scars.

[Clear at a glance with a comparison table] Juvelook vs. Rejuran vs. Volite—what's the difference?

Now that you understand the characteristics of each, we thoroughly compare the three products along five axes.

"Which one is for me?" Guidelines by age and concern

• 20s (focus on pores and acne scars):to balance sebum and erase redness,Rejuran, or to lift crater-like acne scars,Juvelookis recommended.
• 30s (focus on dryness and early aging):If you "somehow look tired," thenVolite, which produces an immediate glow. Once fine lines begin to set in,Rejuranfor cellular repair.
• 40s (focus on collagen loss and lack of volume):If you want to build the skin's foundation and sustain the effect for a long time, the option that powerfully grows your own collagenJuvelookis best.

Will you regret not knowing? The side effects and risks you absolutely must know

There is no "100% safe" in cosmetic medicine. We explain the risks you should know.

Common side effects (those that disappear within a few days)

Skin boosters usually use a micropuncture technique (fine, point-by-point injection) that finely pierces the dermis with a needle. For this reason, for a few days starting right after the procedure,transient erythema (redness), edema (swelling), pain, and bleedingmay occur. A study by Pająk et al. also reports that such reactions are transient, with most subsiding within a few days.

Rare complications

Very rarely, the product may not suit your constitution and cause a foreign-body reaction, forminggranulomas (lumps)—a risk that exists (reported especially when PLLA-based products are not appropriately diluted or injected). Also, if the product is mistakenly injected into a blood vessel, itskin necrosismay lead to, so it is essential to choose a skilled doctor well-versed in anatomy.

Contraindications and situations to avoid

Those who meet the following conditions should carefully consider whether to undergo the procedure.

• Those with an active skin infection at the treatment site
• Those with a keloid-prone constitution (scars tend to turn red and rise)
• Those with an autoimmune disease or in an immunosuppressed state

If you're wondering, "What about my case?"

Book a free consultation

There is no pushy sales pressure. Please feel free to reach out.

Summary — to find the "skin igniter" that's perfect for you

Skin boosters are not a mere stopgap but a treatment that awakens the skin's own function. Finally, let's review the key points.

• Volite (HA-based)is a "skin oasis" that immediately produces hydration and firmness. Significant improvements in elasticity and moisture content have been demonstrated in a study by Kerscher et al.
• Rejuran (PN-based)is a "time machine" that repairs damaged skin at the cellular level. Dermal thickness is said to increase by 15–20%.
• Juvelook (PLLA-based)is a "self-regeneration factory" that keeps growing collagen over the long term. Its tissue-regeneration effect has been confirmed in a study by Goldberg et al.
• The procedure involves downtime such as redness and bruising. Allow for some slack in your schedule.
• Which product suits you differs by skin condition, age, and goal. Be sure to consult a doctor.

If anything concerns you, please feel free to consult us first.

References

1. Wang F, et al. In vivo stimulation of de novo collagen production caused by cross-linked hyaluronic acid dermal filler injections in photodamaged human skin. Arch Dermatol. 2007;143:155–163. (DOI)
2. Quan T, et al. Enhancing structural support of the dermal microenvironment activates fibroblasts, endothelial cells, and keratinocytes in aged human skin in vivo. J Invest Dermatol. 2013;133:658–667. (DOI)
3. Kerscher M, et al. Rejuvenating influence of a stabilized hyaluronic acid-based gel of nonanimal origin on facial skin aging. Dermatol Surg. 2008;34:720–726. (DOI)
4. Goldberg D, et al. Single-arm study for the characterization of human tissue response to injectable poly-L-lactic acid. Dermatol Surg. 2013;39:915–922. (DOI)
5. Pająk J, et al. Prevention of Ageing—The Role of Micro-Needling in Neck and Cleavage Rejuvenation. Int J Environ Res Public Health. 2022;19:9055. (DOI)

About the author

Hiromitsu Nakamura Physician

Zetith Beauty Clinic Ginza, Osaka, Fukuoka

He has a track record of presenting research at academic conferences in Japan and internationally, and is also involved in technical guidance and education across all Zetith Beauty Clinic locations. He specializes in precise procedures grounded in anatomical evidence, pursuing natural results tailored to each individual's bone structure and tissue.