Minimal Downtime Skin tighteningXERF
Radio frequency at more than one depth, in a single session.
How it worksHeat, at a controlled depth, on purpose.
All radiofrequency tightening rests on one principle. Energy passes into the tissue, the tissue's own resistance converts it into heat, and collagen responds in two ways: existing fibres contract immediately, and fibroblasts are prompted to lay down new collagen over the following months.
The immediate effect is modest and temporary. The meaningful change is the slower one, and it builds over roughly two to three months.
Where devices differ is which depth the heat reaches. A single frequency finds one working depth, determined largely by tissue resistance. XERF combines 6.78 MHz and 2 MHz, which allows shallower and deeper tissue to be treated within the same session rather than choosing between them.
That is the whole technical argument for the device. Everything else follows from it.
The useful distinction
Two questions separate every tightening device.
Patients arrive having read four brand names and assuming they are versions of each other. They are not. Ask two questions and the category organises itself.
First question
What kind of energy?
Radiofrequency heats through the tissue's own resistance and spreads. Focused ultrasound deposits energy at a chosen point and does not spread. A laser fibre converts light into heat exactly where the fibre sits.
They are not interchangeable, and none is universally superior. They do different jobs.
Four names. Three kinds of energy. Two routes in.
Second question
Delivered from where?
Thermage, Ultherapy and XERF all work from outside, driving energy through the skin. Endolift works from inside, with a fibre passed beneath the skin so that the energy begins where it is wanted.
This decides anaesthetic, recovery and who a treatment suits — far more than the brand name does.
Side by sideThe four you will have read about.
Set out plainly, from manufacturer specifications and published literature. Working depths vary with tissue and technique, so read these as the shape of each treatment rather than as fixed numbers.
XERF
Enters through the surface
Monopolar radiofrequency at two frequencies, 6.78 MHz and 2 MHz. The second frequency is the point of it: shallow, intermediate and deeper tissue can be treated within the same session rather than choosing one working depth.
What it asks of you
A deep warming sensation. No injected anaesthetic, no meaningful downtime. Most comfortable treatment among the four.
Thermage
Enters through the surface
Monopolar radiofrequency at a single frequency, heating the dermis broadly and diffusely. One working depth, determined largely by tissue resistance. It has the longest track record of the four.
What it asks of you
Warming, with contact cooling and vibration. Generally well tolerated.
Endolift
Eufoton
Enters beneath the skin
A 1470 nm laser carried on a fibre finer than a hair, passed beneath the skin without incision. The energy begins inside the tissue rather than travelling through it, which is why it can also address connective septa and localised fat.
What it asks of you
Local anaesthetic used. Minimally invasive, with some recovery.
Ultherapy
Enters through the surface
Micro-focused ultrasound, with real-time imaging so the operator can see the layer before delivering energy. It does not heat a range — it places discrete points at set depths of 1.5, 3.0 and 4.5 mm. The deepest is the SMAS, the layer a surgeon tightens in a facelift.
What it asks of you
Brief, intense pulses of deep heat. The least comfortable of the four for most people.
Why I am offering itIt fills a gap I could not fill honestly before.
I use Endolift constantly and I rate it. But it involves a fibre passed beneath the skin, local anaesthetic, and a recovery period. For a proportion of patients that is exactly right. For another proportion it is more than they want — and until now my honest answer to them was a single-depth device, or nothing.
XERF sits in that gap. It treats several depths without breaking the skin, without injected anaesthetic, and without the recovery Endolift asks for. That is a real difference in what I can offer, rather than another name for something I already do.
It also suits how I work. I would rather stage a slower treatment that prompts your own collagen over months than produce a change on the day. Radiofrequency of this kind is, by its nature, that sort of treatment.
What I am not claiming is that it is better than Thermage, Ultherapy or Endolift. It reaches more than one depth in one sitting, which is useful. Whether that is the right answer for your face is a question for an assessment, not a webpage.
SuitabilityWho does Xerf suit, and who it does not.
Likely to suit
Early to moderate laxity through the lower face, jawline and neck. Someone who wants nothing inserted and no meaningful recovery, and who is prepared to wait months for the change rather than see it on the day.
Probably not the answer
Significant skin excess, where the honest answer is surgical. Loss of volume, which is a different problem entirely. A face still changing after recent weight loss — that is a reason to wait.
Possibly alongside
Tightening addresses laxity. It does not address lost structure or skin quality on its own. Where more than one is present, treatments are staged in sequence rather than combined on the day.
XerfGet ready for Xerf
XERF is arriving late 2026. Put your name down and you will hear once, when it is available.
No newsletter, no offers, and no list shared with anyone. Joining is not a booking, and suitability is assessed in person as with everything here.