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Known as the next generation of Q+ ultrasound, Linear Z overturns the Taiwan ultrasound market's norm of multiple probes and long treatment times. This device has actually already swept the Korean market, endorsed by the "oxygen goddess" Lee Young-ae. This article explains what Linear Z ultrasound is, its advantages, and who it suits, and finally shows how it differs from other well-known ultrasound devices.
What Is Linear Z Ultrasound? Is It Better Than Q+?
Linear Z is hailed as the upgraded version of Q+ ultrasound. It carries on Q+'s biggest feature: the linear probe, using HIFU focused dual-ultrasound technology to noninvasively direct high-intensity focused energy precisely at different tissue layers, promoting collagen production and lifting and tightening the skin. It can be used for lifting in multiple areas, including the face, jawline, abdomen, and thighs.
Five Advantages of Linear Z Ultrasound
Two Treatment Modes for Full Coverage of the Treatment Area
- Spot mode: uses evenly spaced spot output to create thermal coagulation points beneath the skin, heating the tissue to an effective treatment temperature. By stimulating tissue contraction, it triggers collagen production, lifts the contour, and firms the jawline.
- Linear mode: after the energy is focused and amplified, a linear energy output mode allows continuous firing, achieving a wide-area heating effect. Through volumetric heating, it can reduce subcutaneous fat over a large area, quickly breaking down and sculpting fat.
4 Probes x 15 Treatment Modes for Full Customization
- Essential (1.5mm/2.0mm/3.0mm): dermis to superficial subcutaneous fat, stimulating collagen production
- Basic (2.0mm/3.0mm): dermis to superficial subcutaneous fat, suited to superficial fine lines
- Core (4.5mm): fascia and muscle layer, lifting and tightening the skin
- Contour (9.0mm/13.0mm): subcutaneous fat layer, suited to improving bat wings (upper arm fat), abdominal skin laxity, and fat in the buttocks and thighs
0.4-Second Shots for Precise, Fast, Comfortable Treatment
Z ultrasound is currently the fastest-firing ultrasound on the market. A traditional ultrasound shot takes about 2-4 seconds, while Z ultrasound needs only about 0.37 seconds, so 100 shots in linear mode take less than a minute. The fast firing speed shortens treatment time for patients, which can greatly reduce pain during treatment.
Improves Hollow Cheeks and Adds Fat Thickness
Z ultrasound changes most people's perception of ultrasound as fat dissolving. A paper on Linear Z was recently published, reporting that besides dissolving fat, if lower energy is used and applied every 1-2 months for about 2-3 sessions, fat in the apple cheeks or hollow cheeks will increase, which is friendly to people whose faces are too thin or who have hollow cheeks.
Exclusive Technologies to Ensure Treatment Safety
Each Z ultrasound shot carries energy in both directions, back and forth, doubling the effect of a traditional ultrasound shot. It is also equipped with an automatic feedback detection system that offsets the shots as energy is fired back and forth so that heat does not overly accumulate, which can reduce concerns about burns after treatment. In addition, Z ultrasound has an exclusive DWR degassed water replacement system, which can lower the probe temperature and, beyond that, stabilize the energy output of every shot, ensuring treatment effectiveness and safety.
Who Is Linear Z Ultrasound For?
Sagging brows and eyes
Fat-type double chin and jowls
Sagging, drooping cheeks
Those who want to improve fine lines on the face or neck lines
Those who want to plump up hollow areas
Those seeking firmer skin on the face and body
Sculpting body contours
People who are afraid of pain but want efficient skin care
Z Ultrasound vs. Q+ Ultrasound vs. Ultraformer vs. Sofwave
| Z Ultrasound | Q+ Ultrasound | Ultraformer | Sofwave | |
|---|---|---|---|---|
| Device image | ||||
| Launch year | 2024 | 2019 | 2018 | 2023 |
| Country of origin | South Korea | South Korea | South Korea | Israel |
| Number of probes | 4 | 8 | 7 | 1 |
| Firing speed | Spot, single shot: 1.47 seconds Linear, single shot: 0.37 seconds | Spot, single shot: 1.48 seconds Linear, single shot: 0.58 seconds | 0.58 seconds per line | 4 seconds per shot |
| Duration of results | About 12-18 months | About 12 months | About 12-18 months | About 12-18 months |
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Z Ultrasound Precautions
Before Treatment
After Treatment
FAQ
How does Z ultrasound treatment differ from other HIFU devices?
Z ultrasound is a flagship device of a new generation of ultrasound. Unlike traditional ultrasound, Z ultrasound treatment is faster, more comfortable, and gives more noticeable results overall. Besides firming, lifting, and improving elasticity, it can also adjust facial fullness.
Will Z ultrasound affect daily life?
Because Z ultrasound is a non-invasive treatment, you can return to daily life and work right after treatment.
Does Z ultrasound hurt?
Because Z ultrasound greatly speeds up treatment, if only linear probes are used, a single complete session covering the whole face through the neck lines (for example, 1000 lines) takes about 6-10 minutes, and the lifting process is gentle and quick, though the level of pain still depends on each person's tolerance.
What side effects can Z ultrasound treatment have?
The skin surface may show slight redness after Z ultrasound, which fades within a few hours. If there is mild edema or swelling, most people also recover within 3-5 days, so there is no need to worry too much.
How long until I see results, and how long do they last?
Firming and lifting are usually felt right after treatment, and within 12 weeks you will keep experiencing a firmer, bouncier face, with results that typically last 12-18 months.
This article is for general information only. Results vary from person to person; please consult a doctor in person before deciding on any treatment.


