12 Nov LDM vs HIFU: Two Ultrasound Treatments With Different Jobs
By Dr Rachel Ho | Aesthetic Doctor, Founder, The Skin Longevity Clinic, Singapore
Medically reviewed by Dr Rachel Ho, MBBS, MRCS, MMed (ENT), 12 November 2026.
Dr Rachel Ho is an aesthetic doctor and the founder of The Skin Longevity Clinic. She holds an MBBS from the National University of Singapore, the MRCS (Edinburgh) and a Master of Medicine, with more than 16 years of clinical experience spanning facial reconstructive surgery and aesthetic medicine. Her work has been featured in Vogue Singapore, Harper’s Bazaar, CNA Lifestyle and The Straits Times. She also writes about skincare science at drrachelho.com.
LDM and HIFU both use ultrasound, so they are often confused. They do different jobs. HIFU focuses ultrasound into tiny heated points deep in the skin to tighten and lift. LDM spreads gentle, alternating ultrasound waves through the skin to calm, hydrate and support recovery, with no heating. For the full LDM overview, see LDM treatment in Singapore.
HIFU is for lifting. LDM is for calming and recovery.
LDM vs HIFU at a glance
| LDM (Local Dynamic Micro-massage) | HIFU (High-Intensity Focused Ultrasound) | |
|---|---|---|
| How it works | Quickly alternating ultrasound frequencies create a micro-massage in the skin | Focused ultrasound heats small points at set depths under the skin |
| Heat in the skin | No meaningful heating | Yes, controlled thermal points |
| Main goal | Hydration, calming, redness, recovery | Tightening and lifting of the jawline, neck and brows |
| Feel | Light massage | Deep heat or prickling at each pulse |
| Downtime | None | Usually none to mild redness and swelling |
| Sessions | Single sessions or a short course | Usually one session, reviewed at 3–6 months |
| Evidence | Small studies on acne, rosacea redness, cellulite and post-surgery swelling | Systematic reviews: 18–30% improvement in skin laxity (Haykal 2025) |
Can LDM lift or tighten the face?
LDM is not a lifting treatment. No study has measured lifting with LDM. Lab work shows ultrasound can stimulate collagen-making cells (Bohari 2015), and some clinics describe a “firmer” look after LDM. This mainly reflects better hydration. For laxity, the measured results come from heat-based treatments.
If the goal is lifting, LDM alone is not enough.
What HIFU does for skin tightening
- A systematic review of 45 studies found 18–30% improvement in skin laxity, mainly in the lower face, neck and around the eyes. Fewer than 5% of patients had temporary redness, swelling or discomfort (Haykal 2025).
- A meta-analysis of 17 studies (477 patients) rated the improvement as moderate (Ayatollahi 2020).
See HIFU lifting treatments in Singapore.
LDM vs HIFU vs XERF and RF microneedling
| Concern | Usually considered first |
|---|---|
| Sagging jawline, jowls, neck | HIFU or XERF |
| Crepey skin, pores, acne scars with laxity | RF microneedling |
| Volume loss | Collagen biostimulators or fillers |
| Dehydrated, red, reactive skin | LDM |
| Skin recovering after a procedure | LDM |
Can LDM and HIFU be combined?
Yes. They do different things, so they can be planned together: HIFU for lifting, and LDM for skin that is dry, sensitive or recovering. The doctor sets the order and timing. See sagging skin and facial laxity treatment.
FAQs: LDM vs HIFU
Is LDM the same as HIFU?
No. Both use ultrasound. HIFU heats focused points to tighten. LDM uses alternating waves without heat to calm and hydrate.
Which is better for sagging skin, LDM or HIFU?
HIFU, or another heat-based treatment such as XERF. LDM has no published lifting data.
Does LDM build collagen?
Lab studies show ultrasound raises collagen production in cultured skin cells. Human studies have not measured collagen after LDM.
Is LDM painful compared with HIFU?
LDM feels like a light massage. HIFU can feel hot or prickly with each pulse.
Can I do LDM after HIFU?
Yes, if the skin feels warm, swollen or sensitive afterwards. The doctor sets the timing.
LDM assessments take place at Scotts Medical Center, 9 Scotts Road. Appointments can be booked through the contact page or by calling +65 6514 2688.
References
Show all 4 references
- Haykal D, et al. A systematic review of high-intensity focused ultrasound in skin tightening and body contouring. Aesthet Surg J. 2025;45(7):690-698. doi:10.1093/asj/sjaf053 (PMID 40184185) https://doi.org/10.1093/asj/sjaf053
- Ayatollahi A, et al. Systematic review and meta-analysis of safety and efficacy of high-intensity focused ultrasound (HIFU) for face and neck rejuvenation. Lasers Med Sci. 2020;35(5):1007-1024. doi:10.1007/s10103-020-02957-9 (PMID 32026164) https://doi.org/10.1007/s10103-020-02957-9
- Bohari SPM, et al. Pulsed low-intensity ultrasound increases proliferation and extracellular matrix production by human dermal fibroblasts in three-dimensional culture. J Tissue Eng. 2015. doi:10.1177/2041731415615777 https://doi.org/10.1177/2041731415615777
- Kruglikov I. Very high frequency ultrasound: new therapeutic method in aesthetic medicine and dermatology. Hautarzt. 2015;66(11):829-33. (PMID 26347129) https://pubmed.ncbi.nlm.nih.gov/26347129/