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RF lifting

For lifting thin skin, 'thickness' comes before pulling

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Blog Summary

Thin skin can sag or hollow out if pulled too strongly. We categorize HIFU, RF, and collagen regeneration treatments from the perspective of skin thickness and provide an approach for lifting without causing cheek hollows.

Blog Table of Contents

Lifting thin skin should start **not from "pulling strongly" but from "filling the skin thickness first."** This is because if high-intensity procedures are applied as they are to skin with little subcutaneous fat and thin dermis, rather than being pulled, the cheeks may hollow out or cave in, making you look older instead. Therefore, for thin skin, a combined approach that prioritizes reinforcing dermal thickness, collagen regeneration, and volume preservation is the principle.

Why is this distinction necessary? Skin collagen decreases by about 1% every year starting around age 25, and plummets by about 30% during the first 5 years after menopause. If your skin is already thin, this change shows up faster and more noticeably. Below, we will summarize the criteria for selecting procedures suitable for thin skin and the characteristics of each method one by one.

🔍 What exactly does 'thin skin' mean?

Skin is largely divided into the epidermis, dermis, and the subcutaneous fat layer underneath. The epidermis thickness averages about 0.05 to 0.1 mm, and the dermis is about 1 to 3 mm, which varies depending on the area and aging. The commonly referred to 'thin skin' means a state where the dermis is thin and there is little subcutaneous fat, so blood vessels show through, fine wrinkles form easily, and volume quickly appears to be lost.

There is something we must point out here first: distinguishing whether what is currently visible is 'sagging' or 'hollowing.' If you misunderstand hollowing, which casts a shadow due to lost volume, as sagging and undergo a pulling procedure blindly, your already thin skin can look even more dried out. The thinner the skin, the proper order is to look at 'what is lacking' before pulling.

Collagen and elastin are both the cause of thin skin and the key components that lifting procedures aim to revive. Ultraviolet rays are the biggest external factor that denatures these two. Skin that has used steroids for a long time or skin undergoing hormonal changes is also prone to thinning.

📌 Key Summary: The first step in lifting thin skin is to distinguish between 'sagging' and 'hollowing,' and to check the dermal thickness first.

⚖️ How to approach thin skin by procedure?

Each device works at a different depth and in a different way, and with thin skin, this difference greatly determines the results.

**HIFU (High-Intensity Focused Ultrasound)** is ultrasound lifting represented by Ultherapy and Shurink. For the face, three representative cartridge action depths are 1.5mm (dermis), 3.0mm (lower dermis), and 4.5mm (SMAS layer). The SMAS is the superficial muscular aponeurotic system targeted by lifting, and if a 4.5mm cartridge is used strongly on thin skin, subcutaneous fat can atrophy, causing cheek hollowing or depression under the cheekbones, so controlling depth, energy, and shot count is particularly important.

Radiofrequency (RF) lifting is considered a relatively safe choice for thin skin. This is because the risk of fat loss is relatively low. Microneedle RF is a method of delivering energy directly into the dermis by adjusting needles in the range of about 0.5 to 3.5 mm, allowing for precise depth adjustment, so it is utilized for dermal regeneration of thin skin.

**Sofwave** is a relatively new device designed to reduce cheek hollowing side effects by targeting the 1.5mm mid-dermal layer with parallel ultrasound. **Fractional lasers (CO₂·Er:YAG)** are used to improve fine wrinkles and skin texture, but the risk of pigmentation must also be considered for thin skin.

Procedure

Main Target

Characteristics on Thin Skin

HIFU

Dermis to SMAS

Caution with fat atrophy and cheek hollowing when using 4.5mm high energy

Radiofrequency (RF)

Dermis

Relatively safe with minimal fat loss

Microneedle RF

Dermis (depth adjustment)

Customized approach possible by adjusting insertion depth

Sofwave

Mid-dermis 1.5mm

Designed to minimize cheek hollowing

Fractional Laser

Epidermis to Dermis

Improves texture and fine wrinkles, considering pigmentation

📌 Key Summary: On thin skin, methods that allow depth adjustment like RF, microneedle RF, and Sofwave are relatively easier to handle than high-energy HIFU.

🧬 Methods to fill the skin thickness itself

While lifting devices are on the 'pulling' side, collagen regeneration procedures are on the 'filling' side. For thin skin, a perspective that looks at these two together is needed.

**Collagen-stimulating injections (PLLA·CaHA)** aim to fundamentally improve skin thickness itself by inducing self-collagen. The effects appear gradually, but cases of the PLLA line lasting for more than 2 years have been reported. **Skin boosters (Hyaluronic Acid·PDRN·Exosome)** directly reinforce moisture and regeneration of the dermis, and are also used to lay the groundwork before lifting procedures.

**Thread Lift** is a method of pulling up sagged tissue by inserting PDO, PLLA, or PCL threads. However, with thin skin, the risk of threads showing through, being felt, or creating dimples (indentations) is relatively high, so a cautious approach is required. The maintenance period for absorbable threads is usually 6 months to 1 year, and may be shorter on thin skin.

If it appears sagged due to a lack of volume, hyaluronic acid fillers are sometimes used to support the structure and complement lifting. However, managing risks such as vascular occlusion must be a prerequisite. For reference, Botox is useful for alleviating expression lines, but it does not improve sagging or the thickness of the skin itself.

📌 Key Summary: For thin skin, more natural results can be expected when combining a 'pulling procedure' with a 'filling procedure (collagen injection, skin booster, filler).'

⏳ When do the effects appear and how long do they last?

The collagen regeneration response of energy-based procedures usually occurs gradually over 2 to 3 months. Rather than expecting dramatic changes immediately after the procedure, it is correct to monitor changes over several months.

The effect of non-surgical lifting such as HIFU and RF usually lasts for about 6 months to 1 year. There are cases reported where PLLA collagen-stimulating injections last for over 2 years. As reference figures, **there is clinical data showing that Thermage-type radiofrequency shows an effect improvement and satisfaction rate of over about 90% 6 months after the procedure. However, numbers are only averages, and thin skin has significant individual variation.

There is one more variable here: even with the same device, the practitioner's settings, skill level, and personalized design greatly influence the results. The thinner the skin, the more important 'who sets it and how' becomes rather than 'what device it is.' Therefore, a combined approach, such as linking RF with collagen injections rather than a single procedure, is preferred.

📌 Key Summary: Changes appear over 2 to 3 months and last for 6 months to 2 years, and for thin skin, customized settings rather than devices determine the results.

🛡️ Things to take care of before and after the procedure

The thinner the skin, the more 'before and after care' often determines the effectiveness rather than the procedure itself.

First, sun protection. UV rays are the biggest external aging factor that denatures collagen and elastin, so to protect the effect of the procedure, a habit of reapplying a sunscreen of SPF 30 or higher and PA+++ or higher every 2 to 3 hours is needed. Collagen-promoting ingredients like retinoids are useful for home care, but because they can cause irritation, it is safer to pause them briefly before and after the procedure. The same goes for high-concentration vitamin C and exfoliants.

What if the skin barrier is already broken down? If even applying cosmetics stings and contact dermatitis recurs, restoring the barrier first comes before lifting. Neck skin has fewer sebaceous glands and lower recovery power than the face, so the risk of pigmentation or scarring after laser or energy procedures of the same intensity is relatively high, so approach it more conservatively.

For reference, if severe sagging goes beyond the non-surgical range, surgeries like a facelift are sometimes considered. However, this is a separate area involving incisions, and evaluating complications is more important for thin skin. In many cases, sufficient improvement can be expected with a combination of non-surgical procedures, so thorough consultation is first before making a choice.

📌 Key Summary: Sun protection, moisturizing, and checking the barrier state are as important as the procedure, and delicate areas like the neck are handled more carefully.

❓ Frequently Asked Questions

Is HIFU (Ultherapy) procedure possible even on thin skin?

It is possible, but the settings are key. In particular, if a 4.5mm high-energy cartridge is used strongly on thin skin, cheek hollowing may occur due to fat atrophy, so it is safer to conservatively adjust depth, energy, and shot count, or consider other methods such as RF together.

Between HIFU and RF, which is more suitable for thin skin?

Generally, RF is considered a relatively easier choice to handle on thin skin because the risk of fat loss is lower. However, since it depends on the skin condition and the pattern of sagging and hollowing, the two methods are often combined.

Can the face hollow out even more after lifting?

If high-intensity HIFU is excessively applied to thin skin with little subcutaneous fat, the fat can atrophy, making the cheeks look hollowed out. That is why energy control and prior discrimination (whether it is sagging or hollowing) are important.

If I get a thread lift on thin skin, will the threads show through or be felt?

There is a possibility. If the dermis is thin, issues such as thread show-through, dimples, and surface unevenness are likely to occur, requiring careful judgment. Sometimes it is considered after reinforcing the skin thickness first.

Which should I do first, filler or lifting?

If the face appears sagged due to lost volume, filling the foundation first with filler or collagen regeneration, and then putting lifting on top can be natural. If it is the opposite, lifting may come first, so discrimination is key.

Can thin skin itself become thicker with lifting?

Procedures that induce dermal regeneration, such as collagen-stimulating injections, skin boosters, and microneedle RF, aim to gradually reinforce skin thickness. However, changes appear slowly and there are individual differences.

Does Botox help with lifting thin skin?

Botox is useful for alleviating wrinkles caused by facial expressions, but it does not improve sagging or the thickness of the skin itself. It is a procedure with a different role than lifting.

Lifting thin skin, good things to check before choosing a clinic

Even for the same procedure, the results and recovery process vary depending on where, by whom, and how it is performed. Asking these items directly during consultation will help you make a judgment.

  • Is it a place that frequently performs that procedure? — The procedures focused on differ by clinic. Check if it is a place that regularly carries out lifting for thin skin.

  • Can I check the products and equipment used? — Ask if you can confirm the product name and whether it is genuine (imported licensed products, whether there is an opening confirmation process) during the consultation.

  • Do they explain the breakdown of costs? — Rather than just hearing the total amount, you need to hear explanations of which product is used, how much, and in what scope to make a judgment.

  • Do they design looking at the whole face? — Even for the same procedure, the location and amount placed vary depending on face shape, skin condition, and left-right asymmetry.

  • Do they explain adverse reactions and the recovery process first? — It is better to judge a place that informs you of possible adverse reactions and coping methods together, rather than a consultation that only talks about expected changes.

  • Is there a way to follow up after the procedure? — Check if the timing for checking progress, how to contact if there is an issue, and criteria for re-visiting are established.

Onlif Clinic performs thin skin lifting like this

  • We divide responsibilities — With the thought that a single doctor does not handle all procedures, Onlif divides doctors by field for medical treatment.

  • We check products and equipment together during consultation — We guide you through the products used and the opening confirmation process during the consultation.

  • Costs are guided along with the composition after diagnosis — Since the area, capacity, and scope differ for each person, we explain what costs how much together.

  • We design looking at the overall balance of the face — We view the face through three axes: texture, balance, and signals of youth, and plan in a direction that cleans up the parts obscuring the natural impression rather than changing the shape.

  • We tell you about adverse reactions and the recovery process first — Along with the changes that can be expected, we guide you through individual differences, potential adverse reactions, and coping methods before the procedure.

  • We look at the progress together after the procedure — If confirmation is needed during the recovery period, we will guide you on how to re-visit and contact us.

If you are considering lifting thin skin, it is better to start by checking what is possible and what is difficult in your current state. Accurate diagnosis and treatment planning can only be determined through face-to-face medical treatment. Check through a consultation at Gangnam Onlif Clinic.

Main Line

1588-8171

Directions

2, 4, 5F Montessori Building, 399 Gangnam-daero, Seocho-gu, Seoul
(Gangnam Station, Subway Line 2/Shinbundang Line, Exit 9, 10)

Company Name

Onlif Clinic

Representative

Kang Jun-gu

Main Phone Number

1833-8171

Address

2nd, 4th, 5th Floor, Montessori Building, 399 Gangnam-daero, Seocho-gu, Seoul

Business Registration Number

371-02-03602

All content is protected for 5 years from its initial creation date in accordance with the [Content Industry Promotion Act].
The copyright for all creative works produced by Onlif Plastic Surgery is protected by relevant laws, and we hereby notify you that unauthorized use without permission
shall be subject to civil liability for damages, as well as punishment of up to 1 year in prison or a fine of up to 20 million won under Article 40 of the Content Industry Promotion Act.

Company Name

Onlif Clinic

Representative

Kang Jun-gu

Main Phone Number

1833-8171

Address

2nd, 4th, 5th Floor, Montessori Building, 399 Gangnam-daero, Seocho-gu, Seoul

Business Registration Number

371-02-03602

All content is protected for 5 years from its initial creation date in accordance with the [Content Industry Promotion Act].
The copyright for all creative works produced by Onlif Plastic Surgery is protected by relevant laws, and we hereby notify you that unauthorized use without permission
shall be subject to civil liability for damages, as well as punishment of up to 1 year in prison or a fine of up to 20 million won under Article 40 of the Content Industry Promotion Act.

Company Name

Onlif Clinic

Representative

Kang Jun-gu

Main Phone Number

1833-8171

Address

2nd, 4th, 5th Floor, Montessori Building, 399 Gangnam-daero, Seocho-gu, Seoul

Business Registration Number

371-02-03602

All content is protected for 5 years from its initial creation date in accordance with the [Content Industry Promotion Act].
The copyright for all creative works produced by Onlif Plastic Surgery is protected by relevant laws, and we hereby notify you that unauthorized use without permission
shall be subject to civil liability for damages, as well as punishment of up to 1 year in prison or a fine of up to 20 million won under Article 40 of the Content Industry Promotion Act.

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