Lifting & Tightening
What Is Thermage? A Radiofrequency Device Name
Thermage is a radiofrequency (RF) device name. Seoul National University Hospital lists it as one example of RF energy used for thermal stimulation in deeper dermal tissue. RF differs from laser and intense pulsed light (IPL), according to the American Society for Laser Medicine and Surgery. Korean device-classification records define an RF stimulator and a general electrosurgical unit for different uses, among other examples. Those two entries do not cover every RF device type or identify the classification of a particular model.
- The hospital names Thermage as one RF treatment example.
- RF, laser, and IPL are different energy forms.
- Korea’s device terminology includes RF-related categories with different stated uses; the two cited entries are examples, not a complete inventory.
- Recovery observations from monopolar RF, RF skin tightening, and RF microneedling cannot be assigned to every device or person.
The Korean Ministry of Food and Drug Safety defines an RF stimulator as applying RF energy to the body for uses including pain relief. A separate general electrosurgical-unit category covers RF current used for cutting or coagulation. The term “RF” alone therefore cannot specify a device’s classification, purpose, or expected recovery.
The American Society for Laser Medicine and Surgery describes alternating current delivered through electrodes, with heat arising in the epidermis, dermis, or both. The monopolar thermal RF study and Cleveland Clinic’s guidance on RF skin tightening and RF microneedling describe different methods. Their reported redness and swelling courses should not be used to forecast recovery after a particular Thermage model. The study reported no burns, scars, signs of infection, or post-inflammatory hyperpigmentation at the 1-month follow-up. Cleveland Clinic notes that extreme RF heat can rarely cause burns and advises alerting the provider to uncomfortable burning during treatment.
References
- Seoul National University Hospital, “주름살 [wrinkle] — 의학정보” (in Korean). https://www.snuh.org/health/nMedInfo/nView.do?medid=AA000739
- American Society for Laser Medicine and Surgery, “Radiofrequency.” https://www.aslms.org/for-the-public/general-information/devices---radiofrequency
- Ministry of Food and Drug Safety, “품목사전 상세 — 고주파 자극기” (in Korean). Source
- Ministry of Food and Drug Safety, “품목사전 상세 — 범용 전기 수술기” (in Korean). Source
- “Usefulness of Monopolar Thermal Radiofrequency Treatment for Periorbital Wrinkles.” Annals of Dermatology. https://anndermatol.org/doix.php?id=10.5021%2Fad.2018.30.3.296
- Cleveland Clinic, “Radio Frequency (RF) Skin Tightening: Benefits & Dangers.” https://my.clevelandclinic.org/health/treatments/24683-radio-frequency-rf-skin-tightening
- Cleveland Clinic, “Radio Frequency (RF) Microneedling.” https://my.clevelandclinic.org/cosmetic-plastic-surgery/procedures/radio-frequency-rf-microneedling
Frequently asked questions
How does Seoul National University Hospital describe Thermage?
The hospital names Thermage as an example of a treatment that uses radiofrequency energy to create thermal stimulation in deeper dermal tissue. This identifies the method; it does not establish a result for a particular model or person.
Is radiofrequency the same kind of energy as a laser?
No. The American Society for Laser Medicine and Surgery distinguishes radiofrequency from laser and intense pulsed light. It describes alternating current delivered through electrodes, with heat arising in the epidermis, dermis, or both.
Does redness after every radiofrequency procedure settle within a day?
No single timeline applies. In a single-group before-and-after study, 66 Korean women aged 40–60 completed monopolar thermal RF treatment; mild transient redness and swelling lasted about 1–3 days. Cleveland Clinic says mild redness and swelling after RF skin tightening should subside within 24 hours, and on a separate RF microneedling page says mild redness usually lasts about 24 hours. These sources concern different RF methods and cannot establish recovery after a particular Thermage model or for an individual.