Key takeaways
- Eyelid RF uses a small 0.25 cm² "shallow" tip plus a protective lens over the eye.
- How much change: In a 20-person study, 87% of upper lids and 67% of lower lids tightened by 25% or more at 6 months.
- In 14 Korean adults, the brow sat an average of 1.45 mm higher at 6 months. Changes of 1 to 2 mm are easiest to judge with matching photos.
- Call right away: Blisters or crusts on the lid, or eye pain or blurry vision that lasts more than a few hours.
Yes, monopolar radiofrequency (the energy type Thermage uses) can be done on the eyelids, but only with a small eyelid tip and a protective lens that covers the front of the eye. Expect a modest change, not a new eye shape: in a 72-person study, 88% saw upper-lid tightening, yet most changes were around 25% or less.
How Is the Eye Protected During Eyelid RF?
How Is the Eye Protected During Eyelid RF?
The eye is shielded before any energy touches the lid. In the eyelid RF research, every patient wore a plastic protective lens for the whole treatment. It's much larger than an everyday contact lens and covers the entire front surface of the eyeball, top to bottom and corner to corner. Numbing eye drops went in first so the lens felt more comfortable.
The tip is different from the one used on the cheeks, too. Eyelid treatment uses a 0.25 cm² tip designed to keep the heat shallow, close to the skin surface. A 2007 safety study tested this tip step by step, first in animals and then on human eyelids, and found it didn't injure the eyelids or eyes when proper eye protection was used. That's why the tip size and the eye shield matter more than the brand name when you're comparing clinics.
How Is the Eye Protected During Eyelid RF?
How Much Do Upper and Lower Eyelids Change?
How Much Do Upper and Lower Eyelids Change?
Upper lids tend to respond a little better than lower lids. When 20 people had one session and were checked at 6 months, 87% of upper lids and 67% of lower lids had tightened by 25% or more. Only 2 of the 20 reached 51% to 75% tightening, and the authors described the effect as mild to moderate at best.
How Much Do Upper and Lower Eyelids Change?
A larger multicenter trial of 72 people followed the same pattern. Upper-lid tightening was seen in 88%, less hooding in 86%, and lower-lid tightening in 71% to 74%. Most people saw up to about 25% improvement, and only a smaller group had more dramatic results. Individual results vary, so it's better not to expect one session to change the shape of your eyes.
What Changed in Korean Eyelids?
What Changed in Korean Eyelids?
The brow and the upper-lid crease moved by less than 2 mm. In Korea, 14 adults aged 36 to 70 had one session on the upper eyelids and outer eye area with a Thermage FLX 0.25 cm² tip, 225 pulses per side, and were checked at 2 and 6 months.
| What was measured | 2 months | 6 months |
|---|---|---|
| Reported more than 50% improvement | 73% | 86% |
| Brow height above the pupil | +1.18 mm | +1.45 mm |
| Brow height above the outer corner | +1.23 mm | +1.21 mm |
| Upper-lid crease height | +0.54 mm | +0.41 mm |
People felt a bigger difference than the photo measurements showed. Keep in mind that this group had no comparison group, 13 of the 14 were women, and follow-up stopped at 6 months. If your upper-lid skin already hangs over your lash line, it's worth asking whether a 1 to 2 mm change would be enough for you, or whether surgery belongs in the conversation.
What's Normal After Eyelid RF, and When Should You Call?
What's Normal After Eyelid RF, and When Should You Call?
All 14 Korean participants finished without pain, and no adverse events were reported over 6 months. In the 20-person group, one person had tiny scratches on the eye surface on treatment day, and they healed within several hours.
Burns are rare but real. In a 2003 study of an older periorbital RF method, second-degree burns occurred in 21 of 5,858 RF pulses (0.36%), and 3 people had small scars at 6 months. That study came before the shallow eyelid tip, so the numbers don't transfer directly, but it's a reason to know the warning signs.
Contact the clinic that treated you right away if you notice:
- Blisters or crusts on the treated skin
- A dent or a firm mark that stays on the skin
- Eye pain or blurry vision that isn't better after a few hours
When you reach out, say when it started and which eye is affected, and send photos. Don't try to manage eye pain or blurry vision at home with eye drops. Get it checked in person right away.
What Should You Ask Before Booking Eyelid RF?
What Should You Ask Before Booking Eyelid RF?
Bring one question: "What tip size will you use on my eyelids, and when does the eye shield go in?" The answer tells you whether you're getting a face setting moved closer to the eye or a plan built for eyelids.
If you're in Seoul and want STON Clinic to look at your eyelids, send one photo with your eyes open and one with them closed, say whether the upper or lower lids bother you more, and list any eye-area procedures from the past 3 months. To judge the change, retake the same two photos at 2 and 6 months in the same light and angle.
If this raised a question about your own skin
Ask a questionReferences
- Thermage ThermaCool clearance for wrinkles around the eyes — U.S. FDA, 2004 — U.S. Food and Drug Administration
- 72-person multicenter trial of eyelid RF — Lasers Surg Med, 2006 — PubMed Central
- 20-person upper and lower eyelid RF study with a protective lens — Dermatol Surg, 2007 — PubMed Central
- Animal and human safety testing of the eyelid RF tip — Dermatol Surg, 2007 — PubMed Central
- Upper eyelid RF in 14 Korean adults — Lasers Med Sci, 2025 — PubMed Central
- 86-person periorbital RF study and burn rate — Lasers Surg Med, 2003 — PubMed Central
Frequently asked questions
Q. Does eyelid RF hurt?
A. In the studies, it was well tolerated. The 72-person trial didn't need skin numbing, while the Korean study used numbing cream 30 minutes before and numbing eye drops for the lens. Energy was adjusted so it felt hot but not more than that.
Q. Will a higher energy setting give a better result?
A. Not according to the 72-person trial, which found no link between the energy used on the eyelids and the result. Turning it up doesn't seem to buy more tightening, so the tip size and eye protection are more useful things to ask about.
Q. How many sessions will I need?
A. All of these studies looked at one session followed for 6 months. Whether a second session adds more isn't known from this research. Comparing matching photos at about 6 months is a sensible point to decide.
Q. How long do eyelid RF results last?
A. The data only go to 6 months. In the Korean study, the share of people reporting more than 50% improvement was 73% at 2 months and 86% at 6 months. How long it lasts beyond that needs longer studies.
Q. Will men get the same result?
A. That's hard to say. In the Korean study, 13 of 14 participants were women, and the authors noted this limits how far the results apply to men. Matching before-and-after photos are the most reliable way to judge your own change.
Q. Can other RF devices be used on the eyelids?
A. The studies here all used Thermage's 0.25 cm² eyelid tip, and the FDA cleared that system in 2004 for non-invasive treatment of wrinkles around the eyes. For any other device, ask about its tip and how the eye is protected.
Jangju Kim Senior Director
JANGJU KIM
Dr. Jangju Kim is a clinic director at STON Clinic, LOTTE HOTEL in Myeongdong.
Career / Education
- 현) 스톤클리닉 명동 롯데호텔 원장
- 경희대학교 의과대학 졸업
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