
Hello! This is Bellevue Clinic at Gangnam Station, dedicated to delivering natural beauty. Have you ever worried about changes in your facial contours or skin texture? Especially once you enter your 40s, you may begin to notice these changes through comments from people around you, such as, “You look tired these days,” “Your cheeks and temples have become hollow, making your expression look more intense,” or “You suddenly have so many more fine lines.” Of course, comments about someone’s appearance are never particularly pleasant, but since they are often made out of concern, it can be difficult to argue back—and it can leave you feeling quite bitter.

Even if you diligently change your skincare products and use home-care devices, it is not easy to stop the aging process that has already begun deep within the skin. Today, we will take a detailed look at the fundamental causes of skin concerns in your 40s and why Juvelook and Sculptra, which are autologous collagen boosters, can be effective options.

The key to skin aging in your 40s is, above all, the sharp decline in collagen
The dermal layer of the skin is made up of collagen, elastin, hyaluronic acid, and other components that help maintain firmness and moisture. The collagen in the body, which had been decreasing by about 1% each year since the mid-20s, begins to decline rapidly in the 40s as the rate of breakdown becomes much faster than the rate of synthesis. No matter how carefully you manage your skin, there is still no perfect way to prevent aging. Even celebrities who are said to devote themselves to skincare show considerable differences when their faces from their younger years are compared with their current appearance. Here is Sarah Jessica Parker, once known as one of the hottest fashionistas, at age 58.

Source: https://brightside.me/articles/i-have-no-choice-sarah-jessica-parker-snaps-at-ageist-comments-saying-she-cant-stop-aging-815866/
- Loss of volume and hollowing of the face
Volume loss in the front cheeks, outer cheeks, nasolabial folds, temples, and other areas can make the facial contours more uneven and create shadows.
- Reduced skin firmness and sagging
As the structures that supported the skin weaken, the jawline becomes less defined and pores become vertically elongated.
- Fine lines and worsening skin texture
As the dermal layer becomes thinner, expression lines deepen and the skin texture becomes dry and rough.
In the past, fillers were widely used to immediately fill hollow areas like these. Recently, however, there has been strong interest in procedures that allow “your own skin to produce collagen and naturally become fuller.” Sculptra and Juvelook are representative procedures that serve this purpose.

Sculptra vs. Juvelook: What’s the difference?
Both procedures involve injecting biodegradable polymeric substances that are harmless to the human body into the skin, stimulating fibroblasts and inducing the production of the body’s own collagen. However, they differ in their ingredient structures, particle sizes, and primary target areas.
1. Sculptra (PLLA)
Sculptra is a long-established autologous collagen production stimulator approved by the U.S. FDA. PLLA (Poly-L-Lactic Acid) microparticles undergo an immune response within the skin and strongly promote collagen formation. It is particularly suitable for those seeking natural volume restoration in broad areas such as hollow outer cheeks and temples, as well as improvement in deep nasolabial folds, along with an overall face-lifting effect.
2. Juvelook / Juvelook Volume (PDLLA + HA)
This is a hybrid collagen booster combining PDLLA (Poly-D,L-Lactic Acid) and hyaluronic acid (HA). Its rounded, porous particle structure greatly reduces the risk of nodules. While hyaluronic acid immediately supplements moisture, PDLLA gradually induces collagen production.
▶ Juvelook (skin booster): Improvement of fine lines around the eyes, pores, scars, overall skin texture, and firmness.
▶ Juvelook Volume: Volume restoration in the front cheeks, nasolabial folds, marionette lines, and hollow cheeks.

Why people in their 40s should remember Juvelook and Sculptra
▶ Natural volume without a foreign-body sensation: Rather than filling empty spaces with an artificial substance, these procedures allow your own collagen to build up, so there is no awkwardness when making facial expressions.
▶ Strengthening the skin’s foundation: As the dermal layer becomes thicker again, the skin barrier becomes stronger, and the moisture-oil balance and skin tone become clearer.
▶ Long-lasting results: The autologous collagen produced is slowly absorbed and broken down in the body, allowing the results to last approximately one and a half to two years or longer.
▶ Slowing the pace of aging (slow aging): By replenishing the collagen reserves lost through aging, these procedures help prevent skin aging from progressing rapidly in the future.

Mark-Vu assessment and customized design to maximize procedure results
Because skin thickness, the depth of hollowing, the direction of wrinkles, and the pace of aging differ from person to person, collagen booster procedures require a precise preliminary assessment and consultation.
▶ Scientific, precise assessment
Rather than relying only on visual judgment, a treatment plan should be established after three-dimensional analysis of pores, pigmentation, skin texture, dermal thickness, and other factors using a skin diagnostic device.
▶ Injection into the appropriate layer and prevention of nodules
The product should be injected evenly at the correct depth into the appropriate skin layer—the dermis, subcutaneous fat layer, or above the periosteum—and sufficient hydration should be carried out to minimize the risk of lumps or nodules.
▶ Following the treatment schedule
In general, the most satisfactory collagen synthesis response can be achieved by undergoing approximately three sessions at intervals of four to six weeks.


The passage of time cannot be stopped. However, skin condition can be restored to some extent. If you want to regain your skin’s natural vitality and natural volume instead of making artificial changes to lost firmness and volume, please keep Juvelook and Sculptra in mind. However, we recommend first gaining an accurate understanding of the differences between the products and receiving a consultation tailored specifically to you. Something that worked well for someone else may not be as suitable for you. There are also many good options besides Juvelook and Sculptra, so it may be worthwhile to explore them.
This procedure may cause temporary redness, swelling, bruising, and other effects depending on the individual, so a thorough consultation with a medical professional is necessary.
Wednesdays are regular closing days, so please keep this in mind when coordinating your appointment. At Bellevue Clinic, where procedures are performed quickly and safely, we hope you will care for firm, clear skin and beautiful facial contours without losing their definition this August as well. Thank you very much for visiting Bellevue today!

“Dedicated to specialized skin diagnosis”
Bellevue Clinic
The Mark-Vu skin diagnostic examination can identify various skin concerns at once that are difficult to detect with the naked eye, including skin texture, pigmentation, pores, wrinkles, skin tone, dark circles, radiance, redness, melanin, sebum, and acne-causing bacteria.
Bellevue Clinic scientifically analyzes the skin to determine the necessary procedures and strives to provide the most effective and beneficial treatments for each patient through kind and detailed consultations.
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Use of authentic products in the proper dosage
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Experienced medical professionals with many years of treatment experience
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Sunday and public holiday consultations
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Customized procedures following Mark-Vu skin diagnosis
🌸 Botox · fillers · thread lifting · lifting · obesity care
🌸 Scars · pores · various pigmentation concerns · acne · hair removal
🌸 Contouring injections · CoreSculpt · Noble Shape
HPL · V-OLET injections
🌸 Diet medication prescribed after InBody analysis
🌸 Prescriptions for hair-loss medication and Viagra
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