Ulthera Prime vs Sofwave: What's the Difference and Which Should You Choose? A Dermatologist Explains Layer by Layer

Ulthera Prime and Sofwave are skin-tightening devices that both use ultrasound, so they are often compared. However, they deliver energy to different layers of the skin and suit different types of laxity.

So the helpful question is not "which device is better?" but "which layer is my laxity in?" In this article, a dermatologist explains the differences point by point, with general guidance on which features usually suit which device.

A quick summary before you read on

• Ulthera Prime — micro-focused ultrasound with visualization (MFU-V). Several depths are available (1.5, 3.0 and 4.5 mm), reaching the SMAS layer. It focuses on "lifting" facial contours that sag from the deeper layers.

• Sofwave — SUPERB ultrasound that releases 7 parallel beams of energy into the dermis at about 1.5 mm, with surface cooling. It focuses on wrinkles, skin quality and dermal-level tightening.

• Neither device is surgery. Results appear gradually as new collagen forms, and no single device suits everyone.

Ulthera Prime vs Sofwave, point by point

• Type of energy: Both use ultrasound. Ulthera Prime delivers focused point-by-point energy into deeper layers, while Sofwave delivers parallel beams in a broad band within the dermis.

• Depth: Ulthera Prime can be adjusted to several levels down to the SMAS (about 4.5 mm), while Sofwave works at a single level, the dermis at about 1.5 mm.

• Seeing the skin layers: Ulthera Prime provides visualization so the doctor can see the skin layers before delivering energy, while Sofwave works at a fixed depth and so does not rely on the same visualization.

• Protecting the upper skin: Sofwave has a cooling system that works during each pulse, while Ulthera Prime protects the upper skin by focusing energy at a deeper point.

• Strengths: Ulthera Prime is known for lifting the jawline, cheeks, jowls and brows, while Sofwave is known for superficial to moderate wrinkles and smoother, firmer-looking skin.

• Sensation during treatment: This varies by person and area treated. With Ulthera Prime you may feel a deep heat as energy is released, while many people describe Sofwave as a rhythmic warmth.

• Time to results: For both, results gradually become clearer over roughly 2-3 months as new collagen forms.

• Longevity: Ulthera Prime generally lasts about 1-2 years, while Sofwave lasts about 6-12 months or more, depending on age, skin condition and skin care.

Which type of laxity usually suits which device

The following is general guidance only. The actual choice should come from a doctor's examination:

• Jawline less defined, cheeks starting to drop, a double chin — The laxity usually comes from the deeper layers, and doctors often consider a technology that reaches the SMAS, such as Ulthera Prime.

• Fine lines around the eyes or forehead, skin that looks less firm, but facial contours still good — The concern is in the dermis, and Sofwave is often a good fit.

• Early, mild signs of laxity and a wish for preventive care — You might start with a technology that works at the dermal level, then reassess from time to time.

• Both sagging contours and skin that lacks firmness — Several technologies may be combined in a plan designed by the doctor.

• Marked sagging with a lot of excess skin — Both devices may give limited results, and the doctor may suggest other options so that expectations stay realistic.

To learn how to recognize laxity in each layer, read Face tightening: how to choose the right treatment for your type of laxity

Can both devices be combined?

In some patients they can be combined, because the two devices work at different skin layers. For example, a deeper technology may be used for facial contours together with a dermal-level technology for skin quality. However, the order, the interval between sessions and the energy used should be planned by the doctor. Combining several treatments at once in the hope of faster results is not advised.

Limitations to know about for both devices

• They are not surgery, so they tighten only to a certain degree and cannot match a facelift in marked laxity.

• Results are gradual, and skin continues to age, so repeat treatments are usually needed from time to time to maintain results.

• After treatment there may be temporary redness, swelling, tenderness or mild numbness. Uncommon side effects still need to be watched for, and the practitioner's skill affects safety.

• People who are pregnant, or who have wounds or infection in the treatment area, an implant or a skin lesion in that area, should tell the doctor so it can be assessed first.

Why a dermatologist should choose the device

Laxity comes from different layers in different people, so choosing a device by model name or trend may not match the real problem. At Siam Dermatology, every procedure is assessed and performed by a dermatologist, and the clinic offers several tightening technologies, including ultrasound and radiofrequency (RF). The doctor can therefore choose the method that fits the layer that is sagging, without being tied to any one device.

How much do Ulthera Prime and Sofwave cost?

Cost depends on the area treated, the extent of treatment and the plan suited to each person, so there is no fixed price. The right approach is to have a doctor assess you first, then plan and quote a cost that fits your case. The clinic focuses on a plan suited to your concern and on safety, rather than competing on price.

Frequently asked questions

Which is better, Ulthera Prime or Sofwave?

Neither is better across the board, because they work at different skin layers. Ulthera Prime suits laxity from deeper layers, while Sofwave suits wrinkles and skin quality in the dermis. The right device depends on each person's type of laxity.

Is it true that Sofwave hurts less than Ulthera?

Many people find Sofwave more comfortable, because the energy reaches the dermis and there is a cooling system. However, sensation varies by person and area treated. The doctor can adjust the plan for the patient's comfort.

What age should I start?

There is no fixed age. It depends on skin condition and degree of laxity. Some people show signs early, while others stay firm well into older age. A doctor's assessment can tell you when and how to start.

Do I need to repeat treatment?

Because skin keeps aging, treatment is usually repeated from time to time to maintain results. How often depends on the device, skin condition and your own care. The doctor will recommend a suitable interval after assessing your results.

Read more about each device: What is Ulthera Prime? · What is Sofwave?

Want to know which layer your laxity is in? Consult a doctor via LINE @siamderm