4K Body Lift
High-definition body contouring: insulated RF microneedling placed point by point into mapped zones of resistant fat, then a shallower pass so the skin follows.
What is the 4K Body Lift?
The 4K Body Lift is a body contouring protocol developed by Dr Sin Yong in Singapore, delivered with Secret Duo insulated RF microneedling with 1540 nm fractional laser (CLASSYS / ilooda), and used for lower and upper abdomen, flanks, inner and outer thigh and more.
Sculpting a defined line rather than thinning a whole area is what 'high definition' means in practice. The 4K Body Lift treats compact, exercise-resistant fat point by point, then treats the skin above it in a second plane so that it follows the new contour.
Insulated radiofrequency microneedles are placed into mapped zones of fat at the depth where the fibrous septa meet the superficial fat compartment. The aim is targeted disruption of the adipocytes in that point zone and contraction of the septal scaffold that holds it.
A second pass in a second plane — the same handpiece, set shallower — treats the reticular dermis over the sculpted zone so that the skin follows the contour rather than hanging over it. Depth is set to the patient rather than to a preset.
How it is planned
Map first, treat second. The line is drawn before the needle is placed.
Point-zone treatment of compact fat at the septal plane.
A shallower pass so the overlying skin keeps pace with the new contour.
Where it is used
- Lower and upper abdomen
- Flanks
- Inner and outer thigh
- Upper arm
- Back and bra line
- Submental and jawline
Course and recovery
No surgery and no incisions. Treated zones can feel tender for a short period afterwards. The number of sessions and the interval between them are set individually after mapping.
What it is not
- It is not weight loss. Circumference is lost in centimetres, not kilograms.
- It is not a treatment for loose skin alone. Reducing fat under skin that has lost its recoil leaves the same outline and looser skin — which of the two is dominant has to be settled first.
- It is a protocol, not a device claim. The mechanism describes how the energy is intended to act, not a promise of outcome.
“The tissue plane, not the device, decides whether you tighten skin or remodel fat.”
Where it has been shared
- 15 March 2024ilooda Meet the Expert Academy, Seoul
- June 2024ilooda International KOL programme, Dubai
- March 2025CLASSYS Global Customer Summit, Seoul
- 15–16 September 2026CLASSYS Academy São Paulo, São Paulo
Questions
Who is the 4K Body Lift for?
Is it the same as RF microneedling for the face?
What does recovery involve?
Related protocols
Assessment first
Whether the 4K Body Lift suits a face or a body is decided at an in-person assessment with Dr Sin Yong in Singapore. There are no packages, and the honest answer is sometimes a different protocol — or none.
WhatsApp +65 8023 7170For physicians
Dr Sin Yong shares this protocol at manufacturer academies and congresses by invitation. Faculty enquiries are handled by email.
[email protected]