Lift & Injection

Thermage RF

Monopolar RF tightening | gentle relief × hollow-prevention × spot-on deliveryPhysician-operated · no general anesthesia, substantially less pain · spot delivery so energy lands evenly (effect varies by individual)

Medically Reviewed by Dr. Ta-Ju Liu (Dermatology Specialist) | Last Reviewed: 2026-03-15
Three Core Points

Gentle Relief × Hollow-Prevention × Spot-On Delivery

Gentle Relief, Substantially Less Pain

The manufacturer notes mild-to-moderate pain is common during RF — the barrier that stops many. Our long-developed gentle relief workflow substantially reduces discomfort, with no general anesthesia, so you need not give up over fear of pain and can complete an adequate shot-count.

Thin-Face Triage, Hollow & Burn Prevention

Over-concentrating energy on thin-fat areas can cause fat atrophy and hollowing. The physician assesses fat-layer thickness and support beforehand, allocating energy and avoiding risk zones — thin faces get triage first, not a one-size-fits-all protocol.

Spot Delivery, Energy Under Control

Same machine — the difference is whether the person delivering it controls the energy. I stamp spot by spot rather than gliding, so energy lands evenly. Fifteen years on from the first-generation device, where to tighten and where not to touch is decided looking at your face. Where energy cannot reach, a single-pinhole micro-extraction picks the contour back up.

For years Liusmed has handled revision of RF hollowing, burns, and post-injection complications. Precisely because we have seen "how it goes wrong," we know better "how not to hollow or harm." Thermage in our hands rests on the confidence of being able to repair — pre-treatment assessment, gentle relief, and spot-precise energy control, none optional.

If You Have These Concerns

Want RF but "afraid of unbearable pain"
Afraid of a more hollow, gaunt face afterward (especially thin faces)
Had RF before and "felt nothing" — felt the money was wasted
After recent anesthesia incidents — fear pain and anesthesia both
Want to know when effect appears and how long it lasts
Already hollowed/burned elsewhere, seeking someone to step in
Mechanism & Safety

How RF Works — and Why Hollowing Happens

Monopolar RF: Volumetric Heating

Monopolar RF meets tissue resistance and converts electrical energy to heat, warming collagen-rich dermis and subcutis to ~55–65°C — collagen contracts immediately and new collagen is stimulated over the following months. Thermage FLX calibrates energy per pulse via AccuREP smart-impedance.

Vibration + Cooling: Comfort & Epidermal Protection

The device uses vibration (gate-control to disperse pain) and cryogen cooling before/after each pulse to reduce discomfort and protect the epidermis. Even so, deep heat can still hurt — which is why we add a gentle relief workflow on top that substantially eases pain.

Why Hollowing Happens: Energy × Fat Layer

In thin, poorly-supported areas, over-concentrated energy can cause local fat-cell atrophy — a hollowing opposite to anti-aging. Hence pre-treatment fat-layer assessment and energy allocation are the key step for hollow-prevention, not an optional extra.

Good Candidate

  • ‧Mild-to-moderate facial laxity, collagen loss
  • ‧Want tightening / fine-line improvement without surgery
  • ‧Fear pain/anesthesia, want an awake gentle-relief option

Needs Evaluation / May Fit Other Options

  • ‧Severe sagging — may need HIFU / threads or surgical evaluation
  • ‧Marked hollowing/volume loss — volumization (HA/fat) may fit better
  • ‧Pregnancy, local infection, implanted electronics (e.g., pacemaker) require prior disclosure/evaluation

Treatment Process

Consult → gentle relief → energy zoning → physician delivery → follow-up

Consultation
01

Consultation

Laxity, fat layer, thin-face risk, prior treatments

Gentle Relief Plan
02

Gentle Relief Plan

Substantially less pain, no general anesthesia

Energy Zoning
03

Energy Zoning

Placement and energy planned by fat-layer thickness

Physician Delivers
04

Physician Delivers

Zoned energy allocation, risk zones avoided

Follow-Up
05

Follow-Up

Hollowing/burn concerns handled by revision specialty

Why Liusmed Treats "Hollow-Prevention" and "Energy Control" as the Baseline for Thermage

The two most common RF complaints online are "hollow face after" and "felt nothing at all." Neither is luck — both are process: fat-layer assessment and energy allocation decide hollowing; spot delivery and whether energy reaches the right layer evenly decide whether you see a result a month later.

Literature Support

  • ·Manufacturer data: Thermage FLX (monopolar RF) commonly causes mild-to-moderate pain, with vibration and cooling for comfort; rare but important adverse events include burns, transient nerve symptoms, and subcutaneous nodules. The manufacturer has not studied treating "over subcutaneous fillers," so combined treatments need careful planning.
  • ·Clinical and community observation agree: in thin, poorly-supported areas, over-concentrated energy can cause fat atrophy and hollowing — the main mechanism of "hollowing," greatly reduced by pre-treatment fat-layer assessment and energy allocation.
  • ·Literature: RF-stimulated new collagen takes roughly 1–3 months to mature; the immediate post-treatment tightening comes largely from instant collagen contraction and partly relaxes again. The real tightening and contour change stabilize only over the following months — so comparison photos are best started a month later, when whether the energy truly landed becomes visible.

Dr. Liu — Clinical Observations

  • ·We do not overpromise — what we do is substantially reduce discomfort with gentle relief, so you need not give up over fear of pain and most can complete an adequate shot-count, because "not finishing" is often the real reason effect falls short.
  • ·For thin faces with insufficient fat support, blindly chasing lifting can magnify hollowing. In such cases we honestly suggest volumization (HA/fat) or a combination rather than telling everyone "you can do it."
  • ·If you were already hollowed or burned elsewhere, our revision specialty can step in to assess — which is also why we are confident doing RF: we have answers even for "after it goes wrong."

Gentle relief, hollow-prevention triage, and spot-precise energy control — these three are our prerequisites for "RF worth doing."

FAQ

Does RF hurt? Can I avoid general anesthesia?

The manufacturer notes mild-to-moderate pain is common during RF, mainly from deep heat. Our long-developed gentle relief workflow substantially reduces discomfort, with no general anesthesia — so you can communicate with the physician in real time, without general-anesthesia risk, and need not give up over fear of pain. The method is decided by physician evaluation.

Can RF make my face hollow?

In thin, poorly-supported areas, over-concentrated energy can cause local fat atrophy and hollowing. So we assess fat-layer thickness/support beforehand, allocate energy, and avoid risk zones; thin faces get triage first. If hollowing already happened elsewhere, our revision specialty can assess autologous fat / filler restoration.

Why do some people feel a clear result from RF while others feel nothing?

The difference is often not the machine but whether energy lands evenly on the layer that needs it. I stamp spot by spot rather than gliding, so each point is precise and the energy is even; gliding is hard to control in speed and dwell, so some spots overheat and others get nothing — and the missed spots grow no collagen a month later. Same machine, same shot-count, very different results.

How many shots do I need? Is more always better?

Shot-count is planned by facial area, degree of laxity, and your case — but what matters is not the number, it is whether energy reaches the right layer evenly. Off-target, more shots are still wasted; on-target, the result shows a month later. Actual shot-count and fees are explained individually in person or via LINE; we do not publish prices on the page.

When does the effect appear and how long does it last?

Immediate collagen contraction often gives an initial tightening; new collagen forms over the following months, with tightening and contour improvement becoming more evident. Duration depends on skin condition, age, care, and lifestyle and varies by individual; planning is explained per case at consultation.

Who is unsuitable or should disclose conditions?

Pregnancy, active local infection, implanted electronics (e.g., pacemaker), or metal implants in the area require full prior disclosure/evaluation; severe sagging or marked hollowing may fit better with other treatments. Each is checked at consultation, with honest alternatives recommended when appropriate.

Dr. Ta-Ju Liu

Dr. Ta-Ju Liu

Director, Liusmed Clinic · Over 15 years in minimally-invasive treatment

  • Former attending dermatologist, Chang Gung Medical Center & Cosmetic Center
  • Board-certified dermatologist · minimally-invasive surgery focus
  • Advanced ultrasound-guided procedures · filler complication repair · complete apocrine gland clearance
"You can only treat what you can see" is the core belief running through every procedure I do. The subcutaneous world is intricate; what used to depend on experience and palpation now has a more reliable lens — advanced ultrasound. Seeing vessels, nerves, capsules, and glands first, then deciding where and how deep to cut — that is the standard every patient deserves.
Hollowed/burned by RF? See Aesthetic RepairWant to restore volume? See Facial Fat Grafting

Afraid of Pain, Hollowing, or No Result? Let the Physician See Your Face First, Then Decide

Thermage — gentle relief, hollow-prevention, spot-precise energy control, repairable. Actual planning and fees depend on your case, explained via LINE or in person.

Anonymous online consultationBook Consultation
Thermage FLX (Monopolar Radiofrequency)

RF — afraid of pain and of a hollowed face? Gentle relief × thin-face triage × spot-on delivery

Physician-operated · fat-layer assessed before treatment to allocate energy precisely · spot delivery so energy lands evenly · gentle relief substantially reduces discomfort (effect varies by individual)

Your Thermage at Liusmed Includes

  • Gentle pain relief, substantially eased (no general anesthesia)

    The manufacturer notes mild-to-moderate pain is common during treatment; our gentle relief workflow substantially reduces discomfort, so fear of pain need not make you give up treatment

  • Thin-face / hollow-face candidate triage to avoid a more gaunt result

    Fat-layer thickness and support assessed beforehand; over-concentrating energy in one area can cause fat atrophy — triage is the prerequisite for avoiding hollowing

  • Spot Delivery, Energy Control (15 Years of Feel)

    Spot by spot rather than gliding, so energy lands evenly; fifteen years on from the first-generation device, and where energy cannot reach, a single-pinhole micro-extraction picks the contour back up

  • Hollowing / burn concerns — our revision specialty can step in

    Post-RF fat hollowing can be assessed for autologous fat / filler restoration; this repair capability is the confidence behind our RF

IncludedPost-Op Light Therapy Included

※ Click any chip to view full scope and exclusion terms

How booking works & ways to be seen soonerThe full path from inquiry to follow-up is laid out on the booking page

Want to know which path fits your situation? Either way works — pick whichever feels easier.

LINE Consultation for RF Treatment PlanningBook Gentle-Relief RF Evaluation