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[Seongsu/Ttukseom] Why Sio Clinic Introduced Serf Instead of Thermage

July 21, 2026shioclinic
[Seongsu/Ttukseom] Why Sio Clinic Introduced Serf Instead of Thermage

[Seongsu/Ttukseom] Sio Clinic

Why Serf Was Introduced Instead of Thermage

Serf and Thermage are both high-frequency devices,

so why aren't they the same procedure?

Hello, this is Sio Clinic.

If you're interested in lifting procedures these days,

you've probably heard of the devices

'Thermage' or 'Serf' at least once.

"Isn't Thermage the go-to for high-frequency lifting?"

"How is Serf different from Thermage?"

"It's said to be less painful, but is it really effective?"

Our patients often ask us these questions.

When considering elasticity treatments, many people

hesitate in their choices based solely on trending device

or brand names.

However, skin thickness, the direction of sagging,

and the depth to which energy must reach

are different for everyone.

In today's post, we will explain

why Sio Clinic introduced Serf lifting,

and detail the principles and differences between the two high-frequency devices.

Q1. Serf and Thermage both use high frequency, so why are they different?

The commonality between the two devices is that they utilize RF, or high-frequency

energy.

The basic principle is the same: applying thermal stimulation

to the skin to induce collagen contraction and regeneration,

thereby improving elasticity.

However, there is a significant difference in how the energy

is delivered into the skin.

The existing Thermage uses a single high frequency

to promote overall skin elasticity.

To prevent surface damage, strong cooling is applied.

The alternating cooling and energy delivery

causes the characteristic tingling heat sensation.

In contrast, Serf employs a 'dual high-frequency' method,

alternating between two frequencies: 6.78MHz and 2MHz.

The energy is not concentrated all at once;

it is delivered to both superficial and deep layers,

allowing for efficient heat delivery with only gentle cooling.

Q2. If the pain is less, isn't the effect also weaker?

This is another question we receive very often.

To get straight to the point, the perceived pain and

the skin's response are not necessarily proportional.

The reason Serf treatment feels less painful

is not because the energy intensity is weak,

but due to its unique delivery structure that gently

pushes energy into the skin while protecting the surface.

By minimizing stimulation to the skin surface

and delivering energy to the dermis,

it can induce sufficient stimulation while

reducing the perceived discomfort.

However, less pain does not mean it's suitable for all

skin types without exception.

For very thin or sensitive skin,

or if you have a history of previous treatments,

it is essential to finely adjust

the energy intensity and range according to your individual skin condition.

Q3. What changes can be expected after Serf treatment?

Serf is a procedure that helps fill in the skin's

natural elasticity and refine contours along the direction of sagging,

rather than excessively pulling the skin.

You can primarily expect changes in the following areas:

· Relief from sagging sensation in the cheeks

· Refinement of a dulled jawline

· Improvement in overall skin density and elasticity

· Improvement of skin texture due to fine wrinkles

· Correction of a heavy, sagging facial line

However, if sagging is already severe or if you have a significant amount of fat,

high-frequency treatment alone may be insufficient.

In such cases, it may be beneficial to consider

ultrasound devices or non-surgical methods

in conjunction with the treatment, depending on your skin condition.

Q4. How long do the results last?

High-frequency elasticity treatments provide an initial

feeling of tightness due to heat immediately after the procedure,

followed by a process of collagen regeneration over time.

While individual results vary, the general progression is

explained as follows:

· Immediately after treatment: Tightening sensation due to thermal stimulation

· Weeks later: Gradually increasing elasticity

· Months of maintenance: Elasticity maintained based on individual response

The duration of the results depends on individual lifestyle habits,

skin thickness, and the degree of collagen response.

Therefore, rather than a fixed duration,

we recommend establishing a personalized maintenance schedule

through individual diagnosis.

Q5. Why Sio Clinic Introduced Serf

The reason Seongsu/Ttukseom Sio Clinic

introduced and utilizes Serf is

because it allows for customized energy delivery to different skin layers

while reducing the burden of treatment pain felt by our patients.

While Thermage is undoubtedly a long-proven device,

Serf offers an excellent alternative for those sensitive to pain

or requiring meticulous care tailored to different skin layers.

What's important is not the device's reputation

or others' reviews.

· Skin thickness and elasticity

· Location and direction of sagging

· Fat layer thickness and distribution

· Sensitivity to pain during treatment

Thoroughly assessing all these factors beforehand

and designing an energy approach that suits you

is the core of effective lifting.

This article is adapted from SHIO Clinic's official Naver blog.

Have questions about your skin?

Book a consultation and let SHIO Clinic's diagnosis guide you to the right treatment.