A female dermatologist sitting in the hospital lobby, smiling brightly and warmly greeting you. 여자 미용의사가 병원 로비에 앉아서 환하게 당신을 반기고 웃고 있다

korean Aesthetic physician

Dr. SOO MIN LEE

Your Trusted Guide for Body & Facial Beauty Treatments and Slow-Aging

Facial Contouring: Exploring the World of RF and HIFU Lifting – Part 1

EBD (Energy-Based Device) procedures treatments are highly sought after because they offer natural results with minimal downtime.

Hello, K-beauty enthusiasts!


Ready to dive into the fascinating world of Energy-Based Device (EBD) treatments? These popular procedures are loved for delivering natural, subtle results with little downtime—perfect for those of us who want to get back to looking fabulous without missing a beat.

So, What Exactly is EBD?

EBD treatments harness energy (usually in the form of heat) to lift, tighten, and rejuvenate the skin. Two of the most well-known types are Radiofrequency (RF) and High-Intensity Focused Ultrasound (HIFU). Each comes with its own unique strengths, so choosing the right one for you can depend on your specific skin needs and goals.

Now, let’s clear up a common misconception:
although people often refer to these as “face lifting lasers,” they’re technically not lasers! RF and HIFU work through sound waves or electrical energy—not actual lasers, which use light.

The Appeal of RF Procedures for a Youthful Look

Radiofrequency (RF) works by sending electromagnetic waves (between 3kHz and 30GHz) into the skin’s deeper layers, warming the dermis to around 40-60℃.

This controlled heat stimulates collagen contraction, remodeling, and regeneration, all essential for firmer, smoother skin. And given that we lose about 1% of our collagen each year (unfortunately), RF can be a game-changer for keeping skin looking young and lifted.

Key Benefits of RF

Here’s a quick breakdown of what RF can do:

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These treatments improve skin texture and reduce fine lines.

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One perk of RF is that it can cover larger areas of skin compared to HIFU. To ensure comfort, RF devices include a cooling system to protect the outer skin layer from excessive heat, delivering a smooth experience.

Popular RF Devices You’ll Find in Korean Clinics

Curious about the different types of RF?
Here’s a quick guide to help you understand the options:

– Monopolar RF

Monopolar RF can take up to six months to show full collagen regeneration, offering gradual and natural improvements.

Examples: Thermage, VoluDerm, Oligio

Bipolar RF

This treatment targets the epidermis and dermis, evenly distributing heat and energy. Bipolar RF provides quicker results and is ideal for those who can commit to treatments at least every three months.

Examples: InMode Forma, Potenza DDR

– Hybrid RF

These devices combine the benefits of both monopolar and bipolar RF, resulting in increased collagen density post-treatment.

Examples: Density, Potenza DIA

Needle RF

Needle RF devices are excellent for treating pores, fine lines, and acne scars while also tightening the skin. These treatments use micro-needles to deliver RF energy deep into the skin, promoting both skin renewal and tightening.

Examples: Potenza Needle, Potenza Pumping, InMode Morpheus8

Fractional Unipolar RF

A unipolar hand-piece delivers RF energy to an estimated depth of up to 20 mm. It features a larger paddle to cover a vast surface area with controlled heat, maintaining a constant temperature, and does not require a grounding pad.

Example: AccentPrime TuneFace

Stay tuned for Part 2, where we’ll dive into HIFU treatments and explore how they work their magic!

Until then, keep glowing and stay radiant!

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