Three Ways to Distinguish Ultherapy Side Effects: Facial Hollowing, Burns, and Pain
Common side effects that may occur after Ultherapy include facial hollowing, burns, and temporary pain. (However, redness, swelling, and soreness that occur immediately after treatment may be part of the normal recovery process, so it is important to consider both the nature of the symptoms and how long they persist.)
Ultherapy is a non-surgical lifting treatment that uses microfocused ultrasound and imaging technology to create precise thermal coagulation points beneath the skin, promoting tissue contraction and remodeling.
The safety of the procedure and patient satisfaction may depend less on the total number of shots and more on how carefully the treatment is customized based on the patient’s skin thickness, fat distribution, facial anatomy, treatment depth, and energy settings.
1. What Are the Possible Side Effects of Ultherapy?
Symptoms that require attention after Ultherapy can generally be divided into three categories: facial hollowing, skin burns, and sensory changes caused by nerve irritation.
According to the manufacturer’s safety information, relatively common reactions reported in clinical trials include redness, swelling, pain, and temporary nerve-related symptoms. Most of these reactions may improve over time. However, patients should contact the treating medical provider if symptoms are severe or persist longer than expected.
1_1) Facial Hollowing and Volume Loss After Ultherapy
Facial hollowing after Ultherapy refers to areas such as the lower cheekbones, front cheeks, temples, or the area around the mouth appearing more sunken than before treatment.
In rare cases, changes in fat or soft-tissue volume may occur when energy is delivered to areas with a thin fat layer without sufficient consideration of the patient’s facial anatomy.
Why the Face May Appear Hollow After Ultherapy
Not every hollow appearance immediately after treatment indicates actual fat atrophy. Several factors may contribute, including:
Temporary changes in facial contours caused by differences in swelling before and after treatment
Changes in lighting, camera angle, or body weight
Existing facial contours becoming more noticeable as the skin tightens
Soft-tissue changes in areas with a thin fat layer
A relatively high concentration of energy in one particular area
It is therefore important to compare photographs taken under the same conditions before and after treatment, monitor the area over time, and receive an evaluation from a qualified medical professional.
1_2) Burns and Linear Marks After Ultherapy
An Ultherapy-related burn may present as intense redness, linear marks, blisters, oozing, or scabbing on the surface of the skin.
If there is insufficient contact between the ultrasound transducer and the skin, or if the energy is not delivered to the intended target layer, tissues closer to the skin’s surface may be damaged. Therefore, real-time imaging, proper skin contact, and precise energy delivery are essential.
Symptoms That May Indicate an Ultherapy Burn
The following symptoms may suggest skin damage rather than ordinary post-treatment redness:
Clearly defined, linear red marks
Blisters or peeling skin
Oozing or scabbing
A burning sensation that worsens over time
Skin changes that develop into hyperpigmentation
If blisters or oozing occur, do not attempt to pop the blisters or apply strong skincare products. Contact the medical provider that performed the treatment as soon as possible.
1_3) Tingling Pain and Nerve Irritation After Ultherapy
Tingling, tenderness, numbness, or discomfort during movement may occur around the jawline or cheeks after Ultherapy.
Because sensory and motor nerves run through the jawline and surrounding facial areas, temporary symptoms of nerve irritation may occur depending on the treatment area and depth.
Nerve-Related Symptoms That Require Prompt Medical Attention
The following symptoms should be assessed promptly by a medical professional:
Noticeable asymmetry in the movement of the corners of the mouth or eyebrows
A feeling that the facial muscles are not moving properly
Significant reduction or complete loss of sensation
Pain that continues to worsen
Difficulty eating or making facial expressions
2. How Can You Tell the Difference Between Normal Reactions and Side Effects After Ultherapy?
To distinguish normal post-treatment reactions from possible side effects after Ultherapy, it is important to consider the type, severity, progression, and duration of the symptoms.
Mild redness, swelling, tenderness, and soreness may occur temporarily after treatment. In contrast, blisters, oozing, clearly defined linear marks, abnormal facial movement, or pain that continues to worsen may be difficult to regard as part of the normal recovery process.
2_1) Normal Recovery Reactions After Ultherapy
The following symptoms may occur relatively commonly and often improve gradually over time:
Mild redness
Temporary swelling
Soreness or tenderness when the treated area is pressed
Mild tingling around the jawline
A temporary feeling of tightness or firmness in the skin
Temporary raised or embossed-looking swelling
When symptoms are mild and improve over time, they are more likely to be part of the normal recovery process. Clinical literature also generally describes adverse reactions after microfocused ultrasound treatment as mild and temporary, most commonly including redness and tenderness.
2_2) Symptoms That May Indicate Ultherapy Side Effects
It is advisable to contact the medical provider that performed the treatment if any of the following changes occur:
Blisters, oozing, or peeling skin
Clearly defined linear burn marks
Heat and pain that continue to worsen
Abnormal movement of the facial muscles
Significant loss of sensation
Asymmetry that does not improve over time
Noticeable and persistent hollowing in a specific area
2_3) Comparison of Normal Reactions and Possible Side Effects After Ultherapy
Category | Normal Recovery Reaction | Symptoms That Should Be Medically Evaluated |
|---|---|---|
Redness | Mild and gradually fades | Spreads over a wider area or is accompanied by increasing heat and pain |
Swelling | Mild and decreases over time | Becomes more severe or remains noticeably worse on one side |
Pain | Soreness or tenderness when touched | Severe enough to interfere with daily activities or continues to worsen |
Sensory changes | Mild tingling or temporary numbness | Significant loss of sensation or accompanying abnormal muscle movement |
Skin surface | Temporary raised swelling or redness | Blisters, oozing, scabbing, or clearly defined linear skin damage |
Facial hollowing | The face temporarily appears different because of swelling and contour changes | Asymmetrical hollowing in the same area persists for an extended period |
The table above is intended as a general reference and should not be considered an absolute diagnostic standard that applies equally to every patient. If the discomfort is severe or the recovery pattern differs from what was expected, it is safer to consult your healthcare provider rather than wait.
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3. What Should You Check to Reduce the Risk of Ultherapy Side Effects?
To reduce the risk of Ultherapy side effects, real-time imaging, the use of authentic devices and transducers, an individualized treatment plan, and the practitioner’s thorough understanding of facial anatomy are essential.
3_1) Is the Procedure Performed With Real-Time Ultrasound Imaging?
One of the key features of Ultherapy is that it allows the practitioner to view the tissue beneath the skin during treatment.
Using ultrasound imaging, the practitioner can assess the condition of the target area, including the skin, subcutaneous fat, and fascia, and determine whether the transducer is making proper contact with the skin.
However, the presence of an ultrasound monitor alone does not automatically guarantee safety. The practitioner must also be able to interpret the images accurately and have a detailed understanding of the anatomy of each facial area.
3_2) Are Genuine Ultherapy Equipment and Transducers Used?
During your consultation, ask whether the clinic uses an authentic Ultherapy system and genuine transducers, and confirm how product authenticity is verified.
The transducer is a key component that delivers energy to a specific depth beneath the skin. If it is improperly reused or if unverified consumables are used, the reliability of the energy output and the safety of the procedure may be difficult to ensure.
However, the use of genuine equipment alone does not fully guarantee treatment outcomes or safety. The clinician’s diagnosis and individualized treatment plan should also be carefully reviewed.
3_3) Is the Number of Shots Adjusted to the Patient’s Facial Shape and Fat Volume?
A higher number of Ultherapy shots or stronger energy settings do not necessarily produce better results for everyone.
Patients with little facial fat or pre-existing hollowness beneath the cheekbones or around the temples require particular caution to prevent excessive energy from being concentrated in areas with insufficient volume. In contrast, areas with thicker skin or noticeable sagging require a treatment plan that considers the appropriate target layer and direction of treatment.
4. Ultherapy Clinic Selection Checklist
Consider checking the following points during an Ultherapy consultation.
What to Confirm Before Treatment
Does the practitioner personally assess your facial shape and fat distribution?
Do they explain which areas are already hollow and which areas should be avoided?
Is the procedure performed while viewing real-time ultrasound images?
Do they explain which transducers and treatment depths will be used for each area?
Can the clinic verify the use of genuine Ultherapy equipment and transducers?
Do they prioritize an individualized treatment plan over the total number of shots?
Do they explain possible side effects and how they would be managed?
Is there a clear way to contact the clinic if unusual symptoms occur after treatment?
Rather than comparing only the price or total number of shots, confirm whether the clinician clearly explains which areas require treatment and which areas should be avoided based on the patient’s individual facial anatomy and condition.
5. Frequently Asked Questions About Ultherapy Side Effects
Q. Does Everyone Experience Facial Hollowing After Ultherapy?
No. Facial hollowing does not occur in every patient.
Facial hollowing may be influenced by several factors, including pre-existing facial volume, the thickness of the fat layer, the treatment area, energy level and treatment depth, and the placement of treatment lines. Before the procedure, it is important to carefully assess whether the patient has limited facial fat or pre-existing hollowness.
Q. Is Swelling After Ultherapy a Side Effect?
Mild swelling can be a normal reaction after treatment.
However, medical evaluation is recommended if the swelling becomes more severe over time or is accompanied by intense heat, pain, or blisters.
Q. Is a Tingling Sensation Normal After Ultherapy?
Mild tingling or tenderness may occur as a result of temporary nerve irritation.
However, patients should contact the treating medical provider immediately if there is a significant loss of sensation or abnormal movement of facial muscles, such as the corner of the mouth.
Q. How Can You Tell Whether Ultherapy Has Caused a Burn?
Mild redness often fades gradually over time.
In contrast, clearly defined linear marks, blisters, oozing, scabbing, or a burning sensation that continues to worsen may indicate a burn or other skin injury.
Q. Does a Higher Number of Ultherapy Shots Produce Better Results?
Not necessarily.
The appropriate number of shots varies depending on facial size, skin thickness, fat volume, the degree of skin laxity, and the treatment area. Delivering energy accurately to the appropriate areas, depths, and energy levels is more important than simply using a higher number of shots.
Q. Can Facial Hollowing After Ultherapy Improve?
The course of recovery depends on the cause and severity.
When the face appears hollow because of temporary changes in swelling or tissue response, the appearance may improve over time. If actual changes in soft-tissue or fat volume persist, the patient may require medical assessment, continued monitoring, or appropriate corrective treatment.
Q. Is There Anything I Should Tell My Provider Before Ultherapy?
Patients should inform the medical provider about any previous dermal fillers, thread lifts, fat grafting, facial surgery, or treatments involving energy-based devices.
It is also advisable to provide accurate information about current medications, skin conditions, neurological disorders, and the possibility of pregnancy during the consultation.
📝Key Points for Reducing the Risk of Ultherapy Side Effects
The following four factors are important when seeking to reduce the risk of Ultherapy-related side effects:
The patient’s skin thickness and facial fat distribution should be individually assessed.
The target treatment layer should be selected using real-time ultrasound imaging.
The use of genuine Ultherapy equipment and transducers should be verified.
Treatment depth and energy should be customized for each area rather than focusing only on the total number of shots.
Ultherapy is a widely performed non-surgical lifting treatment, but the same treatment method is not suitable for every patient. Particular care is required when determining treatment areas and energy levels for patients with limited facial fat or pre-existing facial hollowing.
Mild swelling or soreness may occur temporarily after treatment. However, it is safer to contact the treating medical provider if blisters, oozing, severe heat, abnormal facial movement, or persistent asymmetrical facial hollowing occurs.
🔍 Evidence-Based Medical Reference
Ultherapy Prime Emphasizes Personalized Treatment Planning
Ultherapy Prime is a non-invasive lifting treatment that uses high-intensity focused ultrasound (HIFU) to deliver energy to the dermal and superficial musculoaponeurotic system (SMAS) layers without damaging the skin’s surface, thereby stimulating collagen regeneration.
Medical Advisor and Author
REORB Dermatology carefully evaluates each patient’s individual skin concerns and underlying causes of aging. Based on evidence-based medical care, the clinic aims to achieve natural-looking skin improvement.
This column was written following medical review by Dr. Junhyuk Seo, board-certified dermatologist and medical director of RE Dermatology.
✨ Personalized Anti-Aging Solutions at RE:ORB Dermatology Clinic
At REORB Dermatology, Medical Director Dr. Junhyuk Seo, a board-certified dermatologist, personally provides consultations and treatments. By carefully evaluating each patient’s unique causes of skin aging and current skin condition, the clinic offers personalized anti-aging solutions.
Rather than simply recommending procedures, RE Dermatology is committed to care that considers both the natural health of the skin and subtle, balanced improvement.
■ Direct Care by a Board-Certified Dermatologist
From the initial consultation through treatment, each patient is cared for directly by a board-certified dermatologist. Treatment plans are developed based on the individual’s skin condition and specific concerns.
■ Personalized Treatments Based on Detailed Skin Analysis
A wide range of factors—including skin elasticity, texture, pigmentation, and pore condition—are assessed comprehensively to recommend treatments suited to each patient.
■ A Focus on Natural-Looking Anti-Aging Results
The clinic aims for natural improvement that respects the face’s inherent balance and overall skin condition, rather than pursuing excessive or dramatic changes.
■ A Wide Range of Lifting and Skin Booster Solutions
Various lifting devices and skin booster treatments are carefully planned according to each patient’s concerns, helping to support greater treatment satisfaction.
■ Integrated Care for Skin Conditions and Anti-Aging
In addition to lifting treatments, the clinic considers a broad range of concerns, including acne, pigmentation, and facial redness, to provide a treatment direction suited to the patient’s overall skin condition.
■ Post-Treatment Care That Considers Skin Recovery
Care extends beyond the immediate treatment outcome to include the recovery process and the skin’s overall condition, supporting balanced and satisfactory results.
※ This English version was translated using AI. While every effort has been made to ensure accuracy, some expressions or wording may differ from the original text.