Ultherapy PRIME for Droopy Eyelids and Sagging Jowls
How Ultherapy PRIME may address droopy eyelids and sagging jowls, who it may suit, and what results to expect.
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Ultherapy PRIME for Droopy Eyelids and Sagging Jowls
Sagging jowls and droopy eyelids are not primarily a skin problem. They originate in a structural layer beneath the skin called the superficial musculo-aponeurotic system (SMAS), which loses tensile strength with age and allows the overlying tissue to descend.
The SMAS sits beneath the fat and above the facial muscles. When it weakens, the brow drops (creating the appearance of heavier eyelids) and tissue along the jawline migrates downward (creating jowling). Both concerns share the same root cause.
Ultherapy PRIME is used to treat droopy eyelids and sagging jowls by targeting this layer directly using micro-focused ultrasound energy. This article explains how, what results look like for suitable candidates, and what the treatment cannot do.
What Causes Droopy Eyelids and Sagging Jowls?
The face is supported by the SMAS, a deep structural layer that holds the overlying tissue in position. As collagen and elastin decline with age, this layer loses its tensile strength and the structures it supports begin to descend.
According to a 2026 review published in Facial Plastic Surgery, facial ageing reflects multilayered structural changes alongside reduced collagen production and collagen breakdown, resulting in skin laxity.
In the upper face, this manifests as brow descent: the brow drops, creating a heavier, hooded appearance at the upper eyelids. In the lower face, the same process causes jowling by allowing tissue along the jawline to migrate downward, softening its definition.
Sun exposure, genetics, and lifestyle factors can accelerate this process alongside natural ageing.
Can Ultherapy PRIME Help with Brow Descent and Droopy Eyelids?
Because brow descent is a structural concern originating in the SMAS layer, treatments that target this layer are directly relevant.
Ultherapy PRIME delivers micro-focused ultrasound energy to precise depths: 1.5mm targeting the superficial dermis, 3.0mm targeting the mid-dermis, and 4.5mm targeting the SMAS where structural support is anchored.
The thermal energy stimulates fibroblasts (cells responsible for collagen production) to produce new collagen. Over weeks to months, this may support tissue tone in the brow area and, for suitable patients, contribute to a modest elevation in brow position.
Ultherapy (Legacy) received US FDA De Novo 510(k) clearance for non-invasive brow lifting in 2009, making it one of the few non-surgical devices with this specific indication.
A 2024 rater-blinded prospective study found that 87.5% of participants achieved clinically significant brow elevation at 180 days following a single focused ultrasound treatment.
This treatment may be suitable for those with early-stage brow descent contributing to eyelid heaviness. It is not a substitute for surgical blepharoplasty (eyelid surgery) in cases of significant excess eyelid skin or advanced ptosis (drooping caused by a weakened eyelid muscle).
Wondering whether brow descent is behind your eyelid heaviness? Book a consultation at Cambridge Medical (Somerset) and Dr Shirley Kwee will clarify what is driving the concern.
How Ultherapy PRIME Targets Sagging Jowls
The lower face and jawline are where SMAS laxity most visibly manifests as jowling. Ultherapy PRIME for jowls typically involves treatment of the lower face, jawline, and submental (under-chin) area, with energy delivered at 4.5mm to target the SMAS and additional passes at 3.0mm and 1.5mm for the overlying layers.
As collagen production increases, the tissue in the jowl region may gradually firm, and the jawline may become more defined. A 2024 prospective randomised trial found that both standard and customised MFU-V protocols produced greater than one-point improvement in jawline laxity. The degree of improvement tends to be proportional to the degree of laxity.
Most patients begin to notice change from around six weeks, with the most apparent improvement at three to six months.
What Happens During a Full-Face Ultherapy PRIME Treatment?
Cambridge Medical (Somerset) is a certified Ultherapy PRIME clinic. Here is what the Ultherapy PRIME procedure involves at each stage.
The Consultation: Before the Ultherapy PRIME procedure begins, Dr Shirley Kwee conducts a thorough consultation covering your skin concerns, medical history, and aesthetic goals. Real-time ultrasound imaging, part of the See Plan Treat protocol, is applied to the treatment areas, allowing the treating doctor to visualise the SMAS layer before any energy is delivered. A treatment plan is developed from what the imaging shows, not from a standard template.
The Treatment Session: A numbing cream is applied and left for 20 to 30 minutes. Oral analgesia is also available. The Ultherapy PRIME handpiece delivers energy in brief, focused pulses to pre-mapped locations. Most patients describe the sensation as intermittent pulses of heat or mild pressure. A full-face session typically takes 60 to 90 minutes.
Immediately After: Mild redness, warmth, and some tenderness are common and typically settle within a few hours to a day or two. Mild swelling, if present, settles within a few days. Most patients return to normal activities the same day.
In the Weeks and Months That Follow: Most patients begin to notice incremental improvement from around six weeks, with the most apparent change at three to six months. Results may last up to a year or more, though the exact duration varies.
Is Ultherapy PRIME the Right Treatment for You?
Ultherapy PRIME may be suitable if you:
Have mild to moderate brow descent contributing to eyelid heaviness and are not ready for surgical blepharoplasty
Have early to moderate jowling where tissue has begun to migrate below the jawline
Have mild to moderate submental skin laxity
Want a non-surgical treatment guided by real-time imaging and a personalised protocol
Have realistic expectations: results develop gradually over months, not immediately
Ultherapy PRIME is not suitable if you:
Have advanced skin laxity or significant tissue excess
Have concerns that require surgical tissue repositioning
Are expecting results comparable to surgical outcomes
Can You Combine Ultherapy PRIME with Other Treatments?
Ultherapy PRIME targets structural laxity at the SMAS and deep dermal layers. It does not address volume loss or surface texture. Some patients choose to combine treatments to cover more than one concern.
Treatment | What it addresses | How it complements Ultherapy PRIME |
Surface-to-mid-dermis tone and texture | Targets shallower layers that Ultherapy PRIME does not focus on | |
Collagen biostimulators | Volume loss from fat compartment reduction | Addresses volume, a separate component of facial ageing |
Anti-Wrinkle Treatments | Muscle-driven dynamic lines and wrinkles | Targets a different mechanism; not mutually exclusive with Ultherapy PRIME |
Any combination plan should be developed through a holistic assessment with the treating doctor. At Cambridge Medical (Somerset), Dr Shirley Kwee can discuss options during your consultation.
What Results Can You Realistically Expect?
Brow descent | Jowling | |
What most patients notice | Brow appears slightly more elevated; eye area appears less heavy | Jawline appears more defined; tissue sits higher along the jaw |
Degree of change | Typically measured in millimetres; not a dramatic transformation | Incremental and proportionate to the degree of initial laxity |
When improvement appears | From around six weeks; most apparent at three to six months | From around six weeks; most apparent at three to six months |
How to assess objectively | Compare photographs at baseline and six months | Compare photographs at baseline and six months |
Frequently Asked Questions
These are the questions the clinic hears most often before and after treatment. If your specific question is not covered here, it is worth raising at your consultation.
Can Ultherapy PRIME treat hooded eyelids caused by excess skin?
on the cause. If the heaviness is primarily from brow descent, Ultherapy PRIME may help by supporting brow position over time. If it is primarily from excess eyelid skin (dermatochalasis), that is better addressed surgically. A consultation will clarify which factor applies to your concern.
How many sessions do I need for jowl improvement?
Typically a single session, with a maintenance session considered once improvement begins to diminish, often at around 12 months or beyond.
Is Ultherapy PRIME suitable for men with jowling?
Yes. The treatment is suitable for both men and women. The protocol is personalised to your anatomy at consultation.
How does Ultherapy PRIME for jowls compare to fillers?
They address different concerns. Ultherapy PRIME targets structural laxity at the SMAS layer. Dermal fillers address volume loss. Some patients benefit from one or both. Our doctors’ assessment will determine which approach suits your concern.
Is there downtime after treatment for the eye area?
Most patients experience mild redness and tenderness that resolves within a few hours to a day. Most return to normal activities the same day or the day after.
Ready to Find Out If Ultherapy PRIME Is Right for You?
The right starting point is a proper assessment. The only way to know if Ultherapy PRIME is appropriate for your concerns is to have your tissue condition evaluated by a doctor who can plan treatment from imaging rather than guesswork.
With over ten years of experience in aesthetic medicine, Dr Shirley Kwee at Cambridge Medical (Somerset) will assess your skin concerns and confirm whether Ultherapy PRIME is appropriate for your goals.
Book a consultation at Cambridge Medical (Somerset).
Related reading: Ultherapy PRIME at Cambridge Medical (Somerset) | Ultherapy PRIME Results: A Realistic Timeline | Signs Your Skin May Benefit from Ultherapy PRIME Treatment
