Answered by Dr. Dongil Choi

Dr. Dongil ChoiXERF combines two frequencies, 6.78MHz and 2MHz, to target the dermis and subcutaneous fat layers simultaneously. While conventional RF targets only the shallow dermis, XERF reaches a depth of 5~10mm.

Dr. Dongil ChoiUltherapy and Shrink are ultrasound (HIFU)-based, while XERF is monopolar RF-based. The suitable procedure varies depending on skin thickness and the area of concern.

Dr. Dongil ChoiThe ICD Cooling system controls skin temperature in real time to reduce pain. Anesthesia is not mandatory but is available upon request.

Dr. Dongil ChoiImmediate return to daily life is possible. Makeup is okay on the same day, and no separate recovery period is required.

Dr. Dongil ChoiAlthough there are individual differences, collagen is regenerated and maintained for about 6 months to 1 year. It varies depending on the number of procedures and the area treated.