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Director : Kyung Chun An

Renewion II,
the next-generation lifting treatment for sagging skin

Key Takeaways

Renewion II is a new alternative for treating sagging skin. It is a next-generation lifting solution for those who are concerned about the limited effects of existing lifting procedures and the burden of scars from facelifts.

3 situations where this article will be helpful:

  • If you are hesitant to undergo surgery due to concerns about skin sagging after liposuction
  • If you are not satisfied with the results from existing treatments such as high frequency, ultrasound, and thread lifting
  • If you are concerned about the scars and recovery period of incisional surgery such as facelift or abdominoplasty

Key differentiators of Renewion II:

  • Reaching the optimal temperature of 85°C: Helium plasma technology quickly reaches the optimal temperature for skin contraction, effectively improving skin elasticity without damaging surrounding tissue.
  • FDA-approved and verified: A medical device officially approved by the U.S. FDA for skin tightening and elasticity improvement.
  • Minimal incision: Compared to traditional lifting surgery, much smaller incisions are used, leaving scars that are barely noticeable.
  • Applicable to various areas: Improves skin sagging across the entire body, from the face (jawline, double chin, cheeks, neck) to the body (abdomen, arms, thighs, back).

Treatment selection guide:

  • Mild sagging is suitable for radiofrequency or ultrasound lifting, moderate sagging is ideal for Renewion II, and severe sagging is best treated with surgical lifting.
  • Redian Clinic provides customized total skin sagging solutions tailored to each patient’s condition.
Table of Contents

The Dilemma of Sagging Skin Treatment
- Liposuction vs. Lifting?

Before introducing Renewion as a new alternative, let’s first take a look at the limitations of existing sagging skin treatments.


Currently, treatments for sagging skin are broadly divided into two approaches: surgical lifting procedures that involve skin incisions to achieve definitive results, and non-surgical lifting treatments that can be performed easily without incisions. Along with defining each method, we will take a closer look at their limitations and why many people hesitate when choosing between them.

Reasons for Hesitating to Get a Lifting Treatment

Major types of lifting treatments include radiofrequency, ultrasound, laser, and thread lifting. Each method improves sagging skin either by delivering thermal energy to the skin layers or by inserting threads to lift the skin. Because these procedures do not require skin incisions, they leave no scars and allow for quick recovery, making them a popular choice for many people.

Although these options are convenient and relatively 부담-free, there are reasons why individuals with moderate skin sagging often do not achieve satisfactory results.

  • Limitations of radiofrequency & ultrasound lifting
    • The optimal temperature for effectively improving skin elasticity is 85°C. At this temperature, skin tissue contracts most effectively, and collagen regeneration is actively stimulated.

    • The issue lies in the heating speed. Conventional radiofrequency and ultrasound lifting devices heat the tissue relatively slowly. As a result, when the temperature rises, not only the target area but also the surrounding tissues are heated together. In other words, with existing devices, unnecessary damage to skin tissue may occur during the process of reaching 85°C.

    • Therefore, for safety reasons, conventional lifting devices are limited to operating at temperatures between 40–60°C. Since this is far below the optimal temperature of 85°C, the skin contraction effect is inevitably limited.

  • Limitations of thread lifting
    • Because it does not use heat, thread lifting has the advantage of no risk of burns; however, it has fundamental limitations.
    • The threads used in thread lifting mainly act on the epidermis and dermis, with minimal impact on deeper tissues and muscle layers. As a result, it has limited effectiveness in treating moderate to severe sagging and often results in only superficial improvement.
    • Over time, the threads are absorbed by the body or loosen, causing the lifting effect to gradually diminish. Typically, the results last about 6 months to 1 year, after which additional treatment is required.

Reasons for hesitating to use the giant

Surgical lifting is a surgical treatment in which sagging skin is directly incised and removed, and the remaining skin is pulled upward to improve sagging. Representative procedures include facelift, abdominoplasty, arm lift, and thigh lift. When skin sagging is severe, this method offers the most definitive results.

Despite its proven effectiveness, there are reasons why many people hesitate to choose surgical lifting.

  • Noticeable scar lines
    • Surgical lifting involves skin incisions, which inevitably result in scar lines. The location and size of scars vary depending on the surgical area. In a typical facelift, long incision lines are made along the front of the ears and the hairline. In abdominoplasty, a long horizontal scar remains across the lower abdomen above the pubic area. Arm lifts leave vertical scars along the inner arms, while thigh lifts result in scars near the inner thigh and groin area.
    • Although scars fade over time, they do not disappear completely. Especially in areas such as the abdomen and arms, scars may be visible in daily life, causing significant psychological discomfort.
    • However, with experienced medical professionals, incision lines can be placed in locations that are as inconspicuous as possible. For example, during abdominoplasty, the incision can be designed below the underwear line so it remains hidden beneath clothing. Since this varies by clinic, please ensure thorough consultation regarding scar placement before surgery.
  • Psychological burden of skin incisions
    • Surgical lifting involves directly cutting and removing sagging skin. Once the skin is incised, it cannot be restored to its original state, which increases the psychological burden.

The next-generation lifting device!
What is Renuvion?

Prominent scar lines from surgical lifting and disappointing results from conventional lifting treatments—Renewion (Renuvion) is the solution for those facing this very dilemma.

Renewion provides superior skin contraction effects compared to conventional lifting treatments, while unlike surgical lifting, it improves skin elasticity through minimal incisions. In other words, it is a next-generation skin tightening treatment positioned between non-surgical lifting procedures and surgical lifting.

Renewion, a treatment proven overseas

  • FDA Approval
     Renewion is a medical device officially approved by the U.S. FDA for its effectiveness in skin contraction and elasticity improvement. In particular, it has been approved for preventing and improving skin sagging that may occur after liposuction.
  • Clinically Proven Medical Device Used Worldwide
    • Renewion is already widely used in many countries around the world for the treatment of skin sagging. It has established itself as an effective alternative that fills the gap between surgical lifting and conventional lifting treatments, and is recommended by many medical professionals for patients with moderate skin sagging.
    • Since 2017, more than 325,000 patients worldwide have undergone Renewion treatment, and in a 2024 survey of international physicians, it was rated as one of the most preferred body contouring technologies.
    • Building on this popularity, the advanced Renewion II (Renuvion II) has now been released. In Korea, it has begun to be introduced through Lydian Clinic. Lydian Clinic has adopted the latest Renewion II to provide patients with even more effective treatment results.

Renewion Principle
: Reaching the optimal temperature for skin tissue contraction of 85°C

  • Reaching the optimal temperature while minimizing damage to surrounding tissues
    • Conventional radiofrequency and ultrasound lifting devices heat slowly, affecting surrounding tissues, making it difficult to reach 85°C, the temperature needed for effective skin contraction.
    • Renewion uses helium plasma technology to rapidly reach this temperature and then rapidly cools within 1 second. Because this process occurs so quickly, only the target area contracts precisely, preventing heat from spreading to surrounding tissues.
  • Much smaller incisions than surgical lifting to minimize scars
     One of the main reasons many people hesitate to undergo surgical lifting is the prominent scars. In contrast, Renewion is performed through small incisions, so post-treatment scars are barely noticeable.

Renewion II Before and After
Photos and Recommendations

Renewion before and after photos

Renewion effectively improves sagging skin caused by aging as well as sagging that may occur after liposuction. It can be applied to various areas, including the face, abdomen, back, arms, and thighs.

Renewion II Recommended for

  • Those concerned about sagging skin after liposuction
    • Most ideal combination: Liposuction + Renewion performed simultaneously
    • This allows improvement of body contours through liposuction while also enhancing skin elasticity.
  • Those struggling with moderate skin sagging
    • For those who found radiofrequency, ultrasound, or thread lifting ineffective
    • For those concerned about scars and recovery time from surgical lifting
    • For those wanting to resolve the dilemma between non-surgical lifting and surgical lifting
  • Much smaller incisions than surgical lifting, minimizing scars
    • One of the main reasons many people hesitate to undergo surgical lifting is prominent scar lines. In contrast, Renewion uses small incisions, minimizing post-treatment scars.
  • Those concerned about sagging skin in various areas
    • Renewion can be applied to all areas where skin sagging occurs, from the face to the body.
    • Face: Effective for those with blurred jawlines and loss of facial contours due to aging. Areas that can be improved include the jawline, double chin, cheeks, nasolabial folds, and neck wrinkles.
    • Body: Improves sagging skin caused by weight changes or aging. Target areas include the abdomen, arms, thighs, back, and bra line.

Representative
Lydian's Total Solution for Sagging Skin

Each patient’s condition regarding sagging skin is different.

For some, the issue may be mild sagging that does not even require Renewion, while for others, the sagging may be so severe that even Renewion alone may not be sufficient. Additionally, sagging skin is often accompanied by other concerns such as stretch marks.

Lydian Clinic is equipped with comprehensive skin sagging solutions to address these various situations.

Stretch marks accompanying sagging skin? What are the Lydian treatments?

  • Causes of Stretch Marks
    • Stretch marks are a type of scar that occurs when the skin stretches rapidly, damaging the collagen and elastic fibers in the dermis. They can result from pregnancy, rapid weight gain, or growth spurts.
    • In particular, after pregnancy or rapid weight loss, the skin undergoes a stretching and contraction process, so it is very common for sagging skin and stretch marks to appear together. Stretch marks form during stretching, and sagging occurs as the skin contracts. Therefore, many patients considering skin sagging treatments also have stretch mark concerns.
  • Lydian Stretch Mark Treatment Recipe
    • The difficulty of treating stretch marks varies depending on their type. Older white stretch marks are more challenging, and here is a brief overview of Lydian Clinic’s main treatment approaches.
    • First, stem cell therapy. It generates new cells to regenerate the scar tissue caused by stretch marks. Growth factors secreted by stem cells fill the scarred area with new tissue, restoring the skin to its original state.
    • Second, MiraJet. For older stretch marks, the damage reaches deep into the dermis. Lydian Clinic uses MiraJet to deliver medication deep into the dermis, improving the appearance of stretch marks.
    • Third, radiofrequency therapy. Radiofrequency waves stimulate damaged cells to become active again. Lydian Clinic uses not just a single wavelength, but 16 different wavelengths to further promote cellular activity, facilitating smooth skin regeneration.

What about sagging skin that's difficult to address with Renewion? What about facelift surgery?

  • Surgical Lifting – Incision range varies depending on the degree of sagging
    • For severe sagging that is difficult to improve even with Renewion, surgical lifting is necessary. However, not all surgical lifting procedures are the same.
    • For example, in abdominoplasty, the procedure is classified into full, mini, or semi abdominoplasty depending on the location and extent of sagging. As the names suggest, the incision range differs, so there is no need to unnecessarily perform a full incision.
  • Concealing Incision Marks with Lydian Surgical Lifting
    • The biggest concern with surgical lifting is prominent scar lines. However, experienced medical professionals can make scars as inconspicuous as possible.
    • At Lydian Clinic, during abdominoplasty, the incision is designed below the underwear line so that it is hidden beneath clothing, reducing concerns even when wearing a bikini. Additionally, instead of suturing on the skin surface, the clinic uses internal suturing to prevent visible stitch marks. These meticulous techniques minimize scarring.

Renewion FAQ

Not necessarily. Renewion can be performed together with liposuction or as a standalone procedure.

  • Liposuction + Renewion simultaneously: The most ideal combination, allowing both body contour improvement and enhanced skin elasticity at the same time.
  • Renewion as a standalone procedure: Effective on its own when there is minimal fat but sagging skin is present.

The key distinction of Renewion is temperature.

  • Conventional lifting: Operates only at 40–60°C for safety, resulting in limited effectiveness.
  • Renewion: Rapidly reaches 85°C, the optimal temperature for skin contraction, providing a much stronger tightening effect! The quick heating and rapid cooling of helium plasma precisely contracts the target area while minimizing damage to surrounding tissues.

Renewion is an intermediate alternative to surgical lifting.

  • Maintains the advantages of surgical lifting: Provides definite improvement in skin elasticity
  • Addresses the disadvantages of surgical lifting: Minimal incisions result in barely noticeable scars, and recovery time is much shorter
  • Suitable candidates: Ideal for patients with moderate skin sagging (mild sagging is suitable for conventional lifting, severe sagging for surgical lifting)

Renewion has been approved by both the FDA (U.S. Food and Drug Administration) and the KFDA (Korea Food & Drug Administration).

Renewion is an FDA-approved device that can be used after liposuction, capable of contracting subcutaneous soft tissues anywhere on the body.

By receiving FDA approval and, separately, KFDA approval, its effectiveness and safety have been certified.

This illustrates the precision differences in lifting procedures.

When using argon gas for lifting, the precision is relatively lower, creating a risk of burns to surrounding areas. In contrast, Renewion achieves the desired lifting results through precise targeting and rapid cooling.


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