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Types of Lifting Lasers: What Is the Difference Between Radiofrequency and Ultrasound?

Bong Bong · Reshaping for Better Me 봉봉성형외과 · June 26, 2026

Types of Lifting Lasers, What Is the Difference Between Radiofrequency and Ultrasound? ​ As we age, it is natural for changes such as reduced skin elasticity and less-defined facia...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: Bong Bong

Original post date: June 26, 2026

Translated at: August 17, 2026 at 3:48 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Types of Lifting Lasers,

What Is the Difference Between Radiofrequency and Ultrasound?

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As we age, it is natural for changes such as reduced skin elasticity and less-defined facial contours to appear. Recently, even relatively young people have increasingly been expressing concerns about sagging cheeks, a double chin, nasolabial folds, and a loss of definition along the jawline.

Long hours of smartphone use, exposure to ultraviolet rays, irregular lifestyle habits, and declining collagen levels can have a combined effect, causing some people to notice a faster decline in skin elasticity. As a result, interest has grown in lifting treatments that may offer natural-looking improvements in elasticity while reducing the burden associated with incisional surgery.

The two methods most commonly compared are radiofrequency lifting and ultrasound lifting. Although both treatments are discussed in terms of improving skin elasticity, they differ in the energy used, the depth at which they act, and the changes that may be expected.

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Lifting lasers refer to treatments that deliver energy to specific layers beneath the skin to provide thermal stimulation, with the goal of promoting collagen regeneration. They are often discussed when concerns include sagging facial contours, fine lines, reduced elasticity, and changes in skin texture.

Compared with surgical lifting, these treatments generally involve less incision-related burden and relatively less concern about recovery time, which is why many people take an interest in them. However, the appropriate method may vary depending on skin thickness, the fat layer, the degree of sagging, and facial shape.

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Radiofrequency lifting uses radiofrequency thermal energy to deliver stimulation mainly to the dermal layer of the skin. It is described as helping to promote collagen production by raising the internal skin temperature to a certain level, and is often discussed in connection with improving skin texture, fine lines, and mild loss of elasticity.

Because thermal stimulation is delivered over a relatively broad area, it may attract interest when the skin has become thinner or overall elasticity has declined. Some people may experience a temporary tightening sensation immediately after treatment, and the approach generally focuses on expecting gradual changes in elasticity over time.

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Ultrasound lifting uses ultrasound energy to deliver thermal stimulation to deeper layers of the skin. In particular, it is described as reaching the fascial layer, or SMAS layer, while reducing the burden of damage to the skin's surface.

It is often mentioned when concerns include sagging cheeks, a double chin, or changes in the lower facial contours, such as a loss of definition along the jawline. Many people take an interest in it as an approach to refining facial contours and improving sagging through stimulation of deeper layers.

However, when there is very little facial fat, there is also a possibility that the cheeks may feel hollow. Therefore, it is important to consider skin thickness and fat distribution together.

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[Radiofrequency vs. Ultrasound Comparison]

CategoryRadiofrequency LiftingUltrasound Lifting
EnergyRadiofrequency thermal energyUltrasound energy
Treatment layerMainly the dermal layerDeeper layers, including the SMAS layer
Expected focusSkin texture, mild elasticity, fine linesFacial contours, jawline, sagging
CharacteristicsElasticity care over a broad areaLifting-focused approach targeting deeper layers
ConsiderationsThin skin, fine linesSagging cheeks, double chin

If you are concerned about thinner skin, an increase in fine lines, makeup not applying as smoothly, or rougher skin texture, radiofrequency lifting may be considered. It is also frequently mentioned for people seeking to address an initial decline in elasticity or achieve natural-looking improvements in skin texture.

On the other hand, if your concerns involve changes in facial contours, such as sagging cheeks, a double chin, or a loss of definition along the jawline, ultrasound lifting may be discussed. Many people take an interest in it when the lower part of the face looks heavy or the jawline feels less defined.

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It is better to view lifting treatments as one method of caring for skin elasticity rather than as a way to completely resolve all signs of aging in a single session. Even after treatment, sun protection, sufficient moisturizing, and regular lifestyle habits remain important.

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In addition, caution is needed because rapid weight loss or overly restrictive dieting can lead to a reduction in facial fat and decreased elasticity.

Both radiofrequency lifting and ultrasound lifting are intended to improve elasticity, but they differ in the depth at which they act and the results they are intended to address. The important thing is not to choose a famous device, but to comprehensively consider your current skin condition, degree of sagging, fat layer, and the type of change you want. For natural-looking lifting, it is advisable to take an approach based on consultation and analysis tailored to your individual condition.

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