Key Summary
This column guides you to 3 best non-surgical lifting treatments in Korea: Ultherapy Prime, Thermage FLX, and XERF. These three lifting treatments solve different concerns. Ultherapy targets double chin and sagging contours, Thermage FLX helps with loose skin and fine lines, and XERF offers effective lifting for sensitive skin. Hongdae has become a top destination for such treatments, and for the best treatment you need to have meticulous 1:1 consultation, thorough skin analysis, and authentic tip certification. Cha.I Clinic in Hongdae builds a tailored lifting design for each patient's face shape and pain-tolerance level.

Hi, lovely! Welcome to Cha.I Clinic, your favorite boutique aesthetic nestled in Hongdae, Seoul.
Lately, we have been seeing an increase in the number of tourists coming to Korea for beauty-related purposes rather than for shopping or simply traveling. Most of these tourists are in Korea for the same reason: face lifting. In 2026, global beauty travelers are shifting toward gentle, zero-downtime non-surgical face lifting treatments that let them step straight out of the clinic into the vibrant streets of Seoul without swelling or redness. Are you perhaps one of them?
At Cha.I Clinic, our philosophy focuses on customized, natural facial contours tailored precisely to your unique skin architecture and lifestyle.

What You'll Learn in This Article
Both technologies stimulate your skin's natural collagen, but they work in different ways. Ultrasound (HIFU), like Ultherapy Prime, sends focused energy to precise points in deeper layers such as the SMAS, so it's best known for lifting and defining contours. Radiofrequency (RF), like Thermage FLX and XERF, heats the skin more evenly across a wider area, so it's great for tightening skin and improving texture. The best choice depends on your skin concern, which is why a consultation comes first.

Ultherapy Prime uses micro-focused ultrasound to reach the SMAS layer, the deeper foundation of your face and the same layer adjusted in surgical facelifts. With real-time visualization, your doctor can see exactly where the energy goes, lifting sagging contours from within.

Thermage FLX is a monopolar radiofrequency treatment that delivers even heat deep into the dermis without damaging the outer skin barrier. The energy tightens existing collagen fibers and stimulates new collagen, so loose, thin skin gradually becomes firmer and smoother. Results continue to develop over 3 to 6 months.
XERF Lifting is a dual-frequency radiofrequency treatment that tightens your skin across the shallow, middle, and deep layers at once. By combining two frequencies (6.78MHz and 2MHz), it delivers all-over tightening at multiple depths. Its advanced cooling protection system keeps you comfortable throughout, which makes it a great fit if you're sensitive to pain. It's best for anyone who wants multi-depth tightening with minimal downtime. (It is also Kim Kardashian's favorite!)
Every face ages differently, so the right device depends on what you want to improve. Here's a simple guide to help you get started:
Treatment Options by Skin Concern
Double chin & jawline definition: Ultherapy Prime. Micro-focused ultrasound targets the deeper SMAS layer for structural lift.
Sagging contours: Ultherapy Prime. It lifts from within, where the foundation of the face sits.
Loose, thin skin: Thermage FLX. Radiofrequency energy tightens the deep dermis and builds new collagen.
Fine lines & visible pores: Thermage FLX. It smooths and refines skin texture while tightening.
Sensitive skin or low pain tolerance: XERF Lifting. Cooling protection helps keep the treatment comfortable.
All-over tightening with minimal downtime: XERF Lifting. Dual frequencies work across shallow, middle, and deep layers.
Not sure which one fits? That's what your consultation is for. Our doctor will evaluate your skin thickness, volume, and elasticity, then recommend the best option for you.
Choose a clinic where doctors assess your own skin thickness and facial condition rather than using standardized energy settings.
Look for a clinic that offers 3D skin analysis. It gives a clearer picture of your skin's condition, so your treatment is based on what your skin actually needs instead of guesswork.
Ensure the clinic uses genuine, certified equipment and opens brand-new tips or cartridges right before your treatment.
Look for a boutique clinic that prioritizes comfortable pain management and comprehensive post-treatment care.

Ultherapy Prime is matched to jawline definition, double chin tightening, and sagging contours. Its micro-focused ultrasound targets the deeper SMAS layer to lift from within and create structural lift.
XERF Lifting is recommended for sensitive skin or low pain tolerance. It features an advanced cooling protection system for comfort, and its dual frequencies work across shallow, middle, and deep layers with minimal downtime.
Both stimulate natural collagen. Ultrasound (HIFU), like Ultherapy Prime, sends focused energy to precise points in deeper layers such as the SMAS and is best known for lifting and defining contours. Radiofrequency (RF), like Thermage FLX and XERF, heats the skin more evenly across a wider area and is great for tightening skin and improving texture.
The right device depends on what you want to improve, and no single device fits every face. At your consultation, our doctor will evaluate your skin thickness, volume, and elasticity, then recommend the best option for you.
The success of any lifting treatment relies on accurate skin evaluation. No single device fits every face, as tissue thickness, muscle tone, and pain tolerance vary significantly between individuals.
Experience Personalized Rejuvenation at Cha.I Clinic
Whether you are visiting Seoul for a weekend getaway or an extended stay, Cha.I Clinic is dedicated to revealing your most confident, luminous self. Experience gentle precision, luxury comfort, and natural results designed specifically for your skin.
"Dr. Wonjin Jo's Guide to Skin Care & Treatment Tailored to You"
CLASS 101 | Personalized Skin Care & Treatment Course
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Dr. Wonjin Jo, Chief Director of CHA.I Clinic
CHA.I Clinic adheres to genuine products and correct dosages, pursuing natural changes that enhance your inherent beauty.
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