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linear z device and ultrasound cartridges hifu inspired non surgical facelift machine with dot and linear mode for custom designed lifting at bsl clinic bangkok
linear shot HIFU treatment

The Linear Z Program is a custom-designed lifting treatment that uses focused ultrasound energy for a gentle, non-surgical facelift. It offers 2 delivery modes — Dot Mode for point-by-point focus and Linear Mode for smooth, continuous energy lines — allowing doctors to adapt each session to your skin’s needs.1

With treatment cartridges (Linear Z Program tips) ranging from 1.5 mm to 13.0 mm, the Linear Z Program can be applied to both facial contours and body areas that benefit from firming.1-2 This flexibility helps support natural collagen remodeling while keeping results subtle, balanced, and in harmony with your features.

Clinical studies and data suggest that visible improvements typically develop gradually within 1–3 months and may last 6–12 months, depending on individual skin condition and lifestyle.2-3

At BSL Clinic, the Linear Z Program is approached as more than a device-based treatment.

Each session is thoughtfully planned based on individual skin structure, fat distribution, and treatment goals — allowing ultrasound energy to be applied in a balanced, measured way that supports natural-looking results.

linear z hifu non surgical facelift consultation at bsl clinic bangkok showing 3d skin analysis and personalised treatment planning for face lifting skin tightening and fat balance explaining what is linear z at aesthetic clinic thailand

This approach is reflected through 4 personalised lifting strategies, selected and combined during consultation to align with each person’s skin type, facial structure, and desired outcome.

linear z line up hifu facial lifting diagram showing reduced facial fat improved contour and skin elasticity bsl clinic
1. Line Up
Lifts and refines the facial contour, ideal for those with excess fat or reduced firmness.
Helps reduce cheek and jawline fullness, enhancing facial definition naturally.
linear z elasticity up hifu mode for skin firmness collagen renewal and natural facial balance bsl clinic
2. Elasticity Up
Improves skin elasticity and firmness.
Suitable for individuals with a slender face but early signs of sagging or reduced resilience.
Stimulates collagen and elastin production for smoother, tighter skin.
linear z volume up hifu mode for restoring facial fullness fat activation and collagen elasticity bsl cl
3. Volume Up
Restores natural fullness and youthful volume to the face.
Ideal for hollow or flat areas such as the mid-face or temples.
Encourages subtle fat regeneration while enhancing elasticity.
linear z slim up hifu treatment for body and facial contouring fat layer refinement and skin elasticity bsl clinic
4. Slim Up
Targets localized fat while tightening and refining body contours.
Effective for areas like arms, abdomen, or thighs.
Supports smoother, firmer-looking skin after contouring.
The Linear Z Program uses custom-designed ultrasound energy to support HIFU lifting, balance facial fat layers, and enhance skin elasticity — all in a precise, time-efficient process.4
This dual-mode design enables tailored lifting and fat balancing — from refining facial contours to improving skin elasticity — for natural, consistent results across every layer.
Visible improvements usually appear gradually within 1–3 months, and results may last around 6–12 months, depending on individual skin condition and lifestyle.2-3
Together, these advantages make the Linear Z Program a thoughtful approach to precise, time-efficient HIFU lifting.
linear z hifu non surgical face lift treatment for facial lifting and skin tightening targeting upper face jawline neck and decolletage to improve contours collagen and elasticity for natural balanced results

The Linear Z Program works gently from face to body — using precise HIFU energy to refine contours, improve firmness, and enhance natural skin balance.

Each zone receives customized ultrasound care, supporting a smoother, more defined appearance — the essence of a non-surgical face lift.

When people think about facial lifting, many imagine it means “melting fat.”

In fact, fat is one of the most important layers supporting your skin — helping maintain a youthful, naturally lifted contour.

Beneath the surface are tiny fat compartments that interact closely with collagen and elastin, the key proteins that keep your skin firm and elastic.2

Think of it as a system that rebalances your skin from within — not by removing fat, but by guiding it to behave more harmoniously.

linear z fat pads aging diagram showing facial volume loss and structure changes natural lifting hifu non surgical facelift bsl clinic

Over time, these fat cells gradually lose activity as inflammation and aging slow down their natural renewal. When this happens, both skin firmness and facial volume decline — leading to visible sagging or hollowness.5

The Linear Z Program is designed to help rebalance this process through custom-designed HIFU lifting, harmonizing how fat, collagen, and elastin work together beneath the skin for smoother, naturally firmer results.

linear z hifu non surgical face lift program uses custom designed ultrasound energy to balance fat collagen and elastin improving skin elasticity lifting and firmness on face and body at bsl clinic thailand

A Thoughtful Approach to Fat Control and Skin Balance

The Linear Z Program is built on the principle of fat balance and structural harmony.

Instead of destroying fat cells, it gently refines their behavior using precise ultrasound energy — helping balance fat, collagen, and elastin beneath the skin.

This balanced approach helps maintain the skin’s natural firmness and flexibility, resulting in a lifted, refined contour without the need for surgery.

Multi-Layer Technology — The Power Behind Linear Z Program

The Linear Z Program uses a multi-depth cartridge technology to deliver energy precisely across different skin layers — from the surface to deeper fat tissue.

Each cartridge is designed for a specific zone, supporting customized lifting, fat balance, and skin tightening across the face and body.

2 linear z hifu multi depth cartridge system diagram showing ultrasound energy layers

This multi-layer approach ensures the Linear Z Program adapts to your unique skin structure — achieving natural, even lifting from surface to depth.

Dot Mode — Focused Energy for Fine Definition

linear z dot mode ultrasound lifting for collagen stimulation

Dot Mode works through pinpoint spots of energy beneath the skin, delivering focused warmth to the SMAS layer — where firmness and lift naturally begin.

This mode is designed to :

Lift and tighten the SMAS layer for refined definition
Stimulate collagen remodeling to improve elasticity and texture
Activate natural fat response for a fuller, balanced appearance

In addition to lifting and collagen renewal, Dot Mode helps the skin naturally maintain its volume and contour. 

This gentle HIFU energy supports the fat layer — a process known as Fat Proliferation, restoring balance between fat, collagen, and elastin over time.2

Fat Proliferation — Gentle Stimulation for Volume Balance

linear z dot mode fat proliferation hifu skin lifting diagram showing increased fat layer thickness after treatment fat layer balance collagen elastin facial volume bsl clinic

The Linear Z Program delivers gentle ultrasound energy (0.2 J) to activate thinner fat layers beneath the skin.

Instead of destroying fat, it encourages a natural response called fat proliferation — helping the tissue become denser and more balanced over time.

Subtle improvement is usually seen by day 7, with continued enhancement for up to day 28.
Under microscopic observation, the tissue remains healthy while the fat cells regain uniform structure and softness.
This renewal helps maintain smooth, even facial volume — keeping fat, collagen, and elastin in balance for a naturally refined look.2
linear z dot mode hifu before after results showing fat layer

Linear Mode — Smooth Energy for Natural Contours

Unlike Dot Mode, which targets precise points for definition, Linear Mode releases a continuous line of gentle HIFU energy that flows evenly beneath the skin. This steady warmth travels through the fat and dermal layers, promoting balance rather than breakdown. The result is smoother facial contours and harmonized skin layers that look naturally refined over time.3
linear z linear mode hifu tip delivering continuous ultrasound 1 webp

Deeper Layers (3.0–6.0 mm) — Refining Thicker Fat Areas

linear z dot mode fat proliferation hifu skin lifting diagram showing increased fat layer thickness after treatment fat layer balance collagen elastin facial volume bsl clinic
Continuous HIFU energy gently warms the thicker fat layers without harming the surrounding tissue. This gradual process refines excess fat and enhances contour definition around the lower face and jawline. Microscopic studies show a consistent reduction in fat layer thickness — noticeable from day 7 and maintained through day 14 — while the tissue remains healthy and uniform.3
linear z hifu before after facial contour improvement after

Shallower Layers (2.0 mm) — Supporting Elasticity and Radiance

linear z hifu dermis collagen elastin histology diagram showing skin elasticity improvement after linear mode treatment bsl clinic
At shallower depths, Linear Mode reaches the dermis layer to support collagen and elastin fibers. Gentle, even warmth encourages natural elasticity, leaving the skin supple and refreshed. Over time, skin texture becomes smoother and more luminous while maintaining its natural expression.3
linear z hifu before after facial lifting and contour improvement 6 weeks after one session skin tightening bsl clinic

Every face is unique — and so is the way each layer of skin responds to treatment.

At BSL Clinic, the Linear Z Program is planned with an understanding of overall skin and facial structure, allowing it to be performed with care — either on its own or alongside other treatments when appropriate.

Rather than replacing other procedures, it can be integrated in a measured way to help support balance between lifting, firmness, and skin texture from within.

linear z hifu linear mode fat control skin
linear z ulthera prime program

This pairing lets doctors tailor the approach for every contour :

For sunken or hollow areas, Linear Z Program can gently stimulate fat proliferation, restoring natural fullness.5
For areas with excess fat, such as under the chin, the Core 6.0 mm cartridge helps refine and contour through controlled fat metabolism.3

Together, they work in a complementary way — lifting from the foundation while refining balance at the surface.

The outcome: a natural, multidimensional result where firmness, smoothness, and radiance coexist in harmony.

linear z hifu lifting for skin tightening and fat balance on face
dermal filler program for facial contouring and volume

This combination allows doctors to tailor results more precisely:

Linear Z Program first — often planned to lift and tone deeper layers while supporting natural collagen renewal.
Dermal Filler Program next — when needed, applied to restore volume where needed, refining facial shape and texture in balanced harmony.

Together, they refine facial shape and surface texture, creating balanced, natural results.

The Linear Z Program is designed for those seeking a non-surgical HIFU face lift that works gently and precisely beneath the skin — helping refine facial contours while supporting natural balance from within.

linear z program hifu lifting non surgical face lift facial
This treatment is suitable for those who :
For those noticing mild to moderate skin laxity on the cheeks, jawline, or neck and wishing to restore firmness naturally.
For those with facial asymmetry or uneven contours who want smoother, more balanced proportions.
For those experiencing volume loss in areas such as the mid-face or temples and preferring a gentle, collagen-stimulating approach.
For those struggling with excess fat or puffiness under the chin or along the jawline, and seeking refinement without aggressive fat removal.
For those who wish to maintain youthful skin elasticity through preventive care that keeps the skin firm and radiant.

With its Dual Mode Technology — combining Dot Mode for precise lifting and Linear Mode for balanced fat control — the Linear Z Program allows doctors to tailor each session to your unique skin condition, structure, and treatment goals.

Results naturally evolve over time as collagen renewal continues, with visible improvements that stay consistent for several months depending on your skin condition and care routine.

Consult Aesthetic Linear Z Program FAQ
linear z program before and after non surgical hifu face lifting
linear z program before and after non surgical hifu face lifting
linear z volum face
  1. Jeisys Medical Inc. Linear Z Sales Presentation (PS_230529). Seoul: Jeisys Medical Inc.; 2023.
  2. Jeisys Medical Inc. Linear Z Counseling Binder. Seoul: Jeisys Medical Inc.; 2023.
  3. Jeisys Medical Inc. LinearZ Training Manual. Seoul: Jeisys Medical Inc.; 2023.
  4. Jeisys Medical Inc. Linear Z — High-Intensity Focused Ultrasound System. Linear Z official website. Available from: https://linear-z.com
  5. Oh S, Kim HM, Batsukh S, Sun HJ, Kim T, Kang D, Son KH, Byun K. High-Intensity Focused Ultrasound Induces Adipogenesis via Control of Cilia in Adipose-Derived Stem Cells in Subcutaneous Adipose Tissue. Int J Mol Sci. 2022 Aug 9;23(16):8866. Available from: https://pubmed.ncbi.nlm.nih.gov/36012125/ 
  6. Merz Aesthetics. Ultherapy Prime Technical Overview. Frankfurt: Merz Aesthetics GmbH; 2023.