Non-surgical body contouring refers to procedures designed to change the shape or appearance of specific areas of the body without making surgical incisions. Depending on the technology used, these treatments may target small areas of excess fat, improve the appearance of cellulite, or affect skin firmness and muscle tone.
Unlike liposuction, non-surgical body contouring does not involve surgically removing fat through an incision. Different technologies use controlled cooling, heat, sound waves, light, magnetic fields, or mechanical approaches to produce specific effects in the treated area.
These treatments are generally intended for body contouring rather than weight loss. The FDA states that non-invasive body contouring does not treat obesity and does not produce the health benefits associated with weight loss. Results can also vary between individuals and may be temporary depending on the technology and treatment used.
Understanding how these procedures work, what they can realistically accomplish, their potential risks, and whether you may be a suitable candidate can help you have a more informed conversation with a qualified healthcare professional.
Non-surgical body contouring refers to procedures that use medical devices or other non-surgical techniques to change the shape or appearance of specific areas of the body without making surgical incisions.
Depending on the technology, treatment may be designed to reduce small areas of excess fat, improve the appearance of cellulite, or affect skin firmness or muscle tone. Different procedures use different forms of energy, including controlled cooling, radiofrequency energy, light, ultrasound, or magnetic fields.
Unlike liposuction, non-surgical body contouring does not involve surgically removing fat through an incision. Instead, certain technologies are designed to produce controlled effects in the tissue beneath the skin.
An important distinction: non-surgical body contouring is intended to change body shape or appearance, not to treat obesity or provide the health benefits of weight loss. The FDA also notes that results may be temporary and that some people may require additional treatments.
Non-surgical body contouring works by applying controlled energy or mechanical stimulation to a targeted area of the body. The specific effect depends on the technology being used and the device's intended purpose.
Cooling:
Cryolipolysis, commonly called fat freezing, uses controlled cooling to damage fat cells in a targeted area. The body gradually clears the affected cells over time, which can reduce the appearance of a localized fat bulge.
Heat:
Some devices use controlled heat, including radiofrequency energy, to affect tissue beneath the skin. Depending on the device, heating may reduce the thickness of fat in the treated area, temporarily improve the appearance of cellulite, or contribute to a tighter-looking appearance.
Ultrasound:
Certain therapeutic ultrasound devices use sound-wave energy to affect fat cells beneath the skin. Depending on the authorized use of the device, this may reduce the circumference of the treated area.
Light-based energy:
Some devices use controlled light energy to heat tissue beneath the skin. These treatments may be intended to reduce the circumference of a treated area or temporarily improve the appearance of cellulite.
Magnetic fields:
Certain devices use pulsed magnetic fields to stimulate muscles, producing repeated muscle contractions. These treatments may be intended to improve muscle tone or firmness in specific areas, although the effects can be temporary.
Because different technologies work in different ways, non-surgical body contouring is not one single type of treatment. The expected results, number of treatments, eligibility requirements and potential risks depend on the specific technology and device being used.
Non-surgical body contouring includes several different technologies, and each one is designed to produce a specific effect. The most commonly discussed approaches include:
Cryolipolysis (fat freezing): Uses controlled cooling to target and reduce small areas of fat.
Radiofrequency (RF) energy: Uses controlled heating that may reduce the thickness of fat, temporarily improve the appearance of cellulite, or make skin appear tighter, depending on the device.
Ultrasound: Uses sound-wave energy to affect tissue beneath the skin and may reduce the circumference of a treated area.
Light-based energy: Uses controlled light, such as infrared light or certain laser or light-based technologies, for specific body-contouring purposes.
Magnetic-field treatments: Use pulsed magnetic fields to stimulate muscle contractions and may improve muscle tone or firmness in treated areas.
Mechanical massage or vibration: May temporarily improve the appearance of cellulite through pressure, vibration, and changes in fluid within the treated area.
The technology that may be appropriate depends on the treatment goal, the area being treated, the specific device, and the individual's health and medical history. Not every device is intended for every body area or every person, so treatment should be discussed with a qualified healthcare professional.
Cryolipolysis, commonly known as fat freezing, uses controlled cooling to target fat cells beneath the skin without making a surgical incision. The treatment is designed for localized areas of pinchable fat rather than general weight loss.
During treatment, the targeted area is drawn into an applicator and exposed to controlled cooling. Because fat cells are particularly sensitive to cold, controlled cooling is intended to damage the targeted fat cells while limiting injury to the surrounding skin.
The body gradually clears the affected fat cells after treatment. The FDA notes that this process generally occurs over approximately two to three months, so changes in the treated area develop gradually rather than immediately.
Cryolipolysis may be used on selected areas where small, localized fat bulges are present. However, it is not intended to treat obesity or produce overall weight loss, and the result can vary between individuals.
An important safety point: FDA-authorized fat-freezing devices are intended for prescription use. The FDA has not established the safety and effectiveness of over-the-counter or home-use fat-freezing devices.
Radiofrequency (RF) body contouring uses controlled radiofrequency energy to heat tissue beneath the skin. Depending on the specific device and its authorized use, this heating may reduce the thickness of fat in the treated area, temporarily improve the appearance of cellulite, or make the skin appear tighter.
During treatment, the RF device delivers energy to the targeted area while controlling the amount of heat applied to the tissue. Some RF devices deliver energy through the skin, while others use small needles to deliver RF energy into the skin. Because RF technologies and their authorized uses vary, the specific device and treatment should be discussed with a qualified healthcare professional. The technique and depth of treatment depend on the particular device.
What results can you expect?
RF body contouring is generally intended to produce changes in a specific treated area rather than overall weight loss. Results may include a reduction in the circumference of the treated area or a temporary improvement in the appearance of cellulite or skin firmness, depending on the device.
What are the potential risks?
Possible complications include pain or discomfort, redness, swelling, blisters, burns, nodules, changes in skin color and scarring. The risks vary according to the device and how it is used.
Because RF devices differ in their technology and intended uses, it is important to confirm that the specific device being offered is authorized for the intended cosmetic use and body area. A qualified healthcare professional should also assess whether the treatment is appropriate for you.
Ultrasound body contouring uses sound-wave energy to affect tissue beneath the skin. In certain authorized devices, therapeutic ultrasound is applied to the skin surface and the energy enters the underlying fat layer, where it can disrupt fat cells and reduce the circumference of the treated area.
During treatment, the provider applies ultrasound gel to the skin to maintain good contact between the device and the treatment area. The ultrasound energy is then delivered to the targeted tissue according to the device's intended use and treatment settings.
What results can you expect?
Ultrasound body contouring is intended to produce localized changes rather than overall weight loss. Some treatments may reduce the circumference of a specific area, but results vary between individuals and may be temporary. Multiple treatments may also be necessary depending on the device and treatment plan.
What are the potential risks?
Ultrasound treatments can cause pain or discomfort, redness, swelling, blisters and burns. Nerve damage has also been reported with certain ultrasound body-contouring devices. Because the risks depend on the specific device and treatment area, it is important to discuss the procedure with a qualified healthcare professional beforehand.
Light-based body contouring uses controlled light energy to heat tissue beneath the skin. Depending on the technology, devices may use infrared light, lasers, or intense pulsed light (IPL) for specific body-contouring purposes.
When carefully applied, light energy can heat tissue beneath the skin without necessarily damaging the skin's surface. Depending on the device, this heating may affect fat cells, connective tissue, or the appearance of cellulite. Some treatments may temporarily reduce the circumference of the treated area or improve the appearance of cellulite.
What results can you expect?
Light-based body contouring is intended to produce localized changes rather than overall weight loss. Results can vary depending on the technology, treatment area and individual, and some effects may be temporary. Multiple treatments may be recommended for certain devices.
What are the potential risks?
Potential complications can include pain or discomfort, redness, swelling, blisters, burns and changes in the skin. Some light-based treatments can also injure the eyes, which is why appropriate protective eyewear may be required during treatment.
Certain light-based treatments may not be appropriate for people who are sensitive to light, take medications that increase sensitivity to light, or have recently been exposed to significant sunlight or tanning. A qualified healthcare professional should review your medical history and the specific device before treatment.
Magnetic-field body contouring uses pulsed magnetic fields to stimulate muscles beneath the skin. The magnetic energy can trigger repeated muscle contractions during the treatment session, which may improve muscle tone and firmness in the treated area.
Unlike treatments that primarily target fat cells, magnetic-field technology is generally focused on muscle stimulation. Depending on the device, treatment may be used on areas such as the abdomen, arms, buttocks, thighs or calves.
What results can you expect?
The goal is generally to improve muscle tone or firmness rather than produce overall weight loss. The FDA notes that these effects may be temporary and that ongoing treatments may be needed to maintain them.
What are the potential risks?
Reported complications include muscle soreness and cramping. Magnetic-field devices should not be used by people with certain active implanted medical devices, such as pacemakers or implantable cardioverter-defibrillators, or with certain metal under the skin.
Because different devices have different indications and safety requirements, a qualified healthcare professional should review your medical history and any implanted devices before treatment.
Non-surgical body contouring can be used on selected areas where a person has localized fat, cellulite, or concerns about muscle tone or firmness. However, the appropriate treatment area depends on the specific technology and the body sites for which the device is authorized.
Depending on the device, areas that may be treated include:
Abdomen
Waist and flanks
Thighs
Buttocks
Arms
Calves
Selected areas beneath the chin
Some technologies are designed primarily to reduce small areas of localized fat, while others may target cellulite or stimulate muscles. This means that a treatment appropriate for one area may not be appropriate for another.
It is also important not to assume that every body area can be safely treated. The FDA notes that there are no FDA-cleared or approved non-invasive body-contouring devices for treating the breasts in males or females.
Before treatment, ask the provider which specific device will be used, which body areas it is authorized for, and what results can reasonably be expected. This is more useful than choosing a treatment based only on the general name of a technology.
Non-surgical body contouring may be an option for adults who have small, localized areas of fat, cellulite, or concerns about muscle tone or firmness and are looking for changes in body shape rather than overall weight loss.
Because different technologies work in different ways, there is no single set of requirements that makes someone a suitable candidate for every type of non-surgical body contouring. Eligibility depends on the specific device, treatment area, medical history, and desired outcome.
A person considering treatment may be more likely to be considered suitable when they:
Have a specific area they would like to improve
Have realistic expectations about what the treatment can accomplish
Understand that results may be modest or temporary
Understand that more than one treatment may be recommended
Are willing to discuss their medical history, medications, supplements, and implanted devices with the provider
Understand that non-surgical body contouring is not a substitute for weight-loss treatment
Certain medical conditions, medications, implants, skin conditions, pregnancy, recent tanning, or previous surgery in the treatment area may affect whether a particular technology is appropriate. These factors vary considerably between devices.
Before treatment, a qualified healthcare professional should review your health history and explain the potential benefits, limitations, risks, expected results, and number of treatments associated with the specific device being considered.
The results of non-surgical body contouring depend on the technology used, the treatment area, the amount of tissue affected, and the individual's response to treatment. Unlike surgical procedures such as liposuction, these treatments generally produce more limited changes and are not intended to cause overall weight loss.
Depending on the technology, possible results may include:
A reduction in the appearance of a small localized fat bulge
A reduction in the circumference of a treated area
A temporary improvement in the appearance of cellulite
Improved muscle tone or firmness with certain magnetic-field treatments
A tighter-looking appearance with certain heat-based treatments
Results usually develop gradually rather than immediately. For example, after cryolipolysis, the body gradually clears the affected fat cells over approximately two to three months.
It is important to have realistic expectations. The FDA notes that some results may be temporary, not everyone responds to treatment, and additional treatments may be needed to achieve or maintain the desired effect.
How long the results last depends on the technology used, the treatment area, the individual's response, and whether the procedure is intended to reduce fat, improve cellulite, or affect muscle tone or skin firmness.
Some non-surgical body-contouring effects may be temporary. For example, certain treatments that improve the appearance of cellulite or stimulate muscle tone may require ongoing treatments to maintain the effect.
Fat-reduction treatments can produce longer-lasting changes in the treated area because some technologies are designed to damage or reduce targeted fat cells. However, this does not prevent future changes in body weight or body composition.
Factors that may affect how long results remain visible include:
The specific technology and device used
The amount of change achieved during treatment
Whether additional treatment sessions are needed
Changes in body weight after treatment
Normal changes in body composition over time
Individual differences in how the body responds to treatment
Before undergoing treatment, ask the provider how long the expected results are likely to last, whether maintenance treatments may be necessary, and what changes you can realistically expect. The FDA notes that results from many non-invasive body-contouring procedures may be temporary.
One of the advantages of non-surgical body contouring is that recovery is generally less involved than recovery from a surgical procedure such as liposuction. However, the amount of downtime depends on the technology used, the treatment area, and the individual's response.
Many non-surgical procedures can be performed without a traditional surgical recovery period, but temporary effects such as redness, swelling, bruising, tenderness, or discomfort may occur. Some treatments may also require temporary changes to normal activities.
What recovery may involve:
Mild redness, swelling, bruising, or tenderness in the treated area
Temporary changes in skin sensation
Following specific aftercare instructions provided by the treatment provider
Avoiding certain activities when instructed
Attending follow-up appointments or additional treatment sessions when recommended
The recovery experience varies considerably between technologies. For example, a treatment using controlled cooling has different effects and potential side effects from a treatment using radiofrequency, ultrasound, or magnetic fields.
Because non-surgical body contouring procedures can still have medical risks, do not assume that a treatment requires no aftercare simply because it does not involve an incision. Your provider should explain what to expect immediately after treatment, what activities to avoid, and which symptoms should prompt medical attention.
Non-surgical body contouring does not involve surgical incisions, but it is still a medical procedure and can have side effects or complications. The risks depend on the technology, device, treatment area, and individual health factors.
Common short-term side effects may include:
Pain or discomfort
Redness
Swelling
Bruising
Temporary changes in skin sensation
Tenderness or lumpiness in the treated area
Most minor effects occur shortly after treatment and may resolve as the area heals. However, the FDA notes that some complications can last longer, become permanent, or require additional treatment or surgery to correct.
Technology-specific risks can also occur. For example:
Cryolipolysis: numbness, nodules, skin burns, nerve injury, and paradoxical adipose hyperplasia (PAH), in which fatty tissue enlarges rather than shrinks.
Radiofrequency: burns, blisters, changes in skin color, nodules, scarring, and pain or swelling.
Ultrasound: burns, pain, swelling, and, in some cases, nerve damage.
Light-based treatments: burns, skin changes, and potential eye injury if appropriate eye protection is not used.
Magnetic-field treatments: muscle soreness and cramping.
Your provider should explain the risks associated with the specific device being used and review factors that could affect your safety. These may include medications, implanted medical devices, skin conditions, previous surgery in the treatment area, pregnancy or breastfeeding, and other health conditions.
Seek medical attention if you develop severe pain, significant swelling, burns, signs of infection, or other unexpected symptoms after treatment.
Non-surgical body contouring and liposuction can both be used to change the appearance of localized areas of the body, but they are fundamentally different approaches.
Non-surgical body contouring:
Uses technologies such as controlled cooling, radiofrequency, ultrasound, light, or magnetic fields to produce specific effects in the treated area without surgical incisions. Results are generally more limited and may be temporary, depending on the technology.
Liposuction:
Is a surgical procedure that uses a cannula and suction to physically remove fat through small incisions. It can produce more substantial changes in body contour but involves surgery, anesthesia, recovery, and surgical risks.
The main differences include:
Invasiveness: Non-surgical treatments do not require surgical incisions, while liposuction is surgery.
Fat removal: Liposuction physically removes fat; non-surgical treatments do not surgically remove tissue.
Recovery: Non-surgical procedures generally involve less recovery than liposuction, although side effects can still occur.
Results: Non-surgical treatments generally produce more limited changes, while liposuction can provide more substantial contouring in appropriately selected patients.
Risks: Both approaches have risks, but the types and severity of potential complications differ.
Neither approach should be viewed as a substitute for appropriate weight-management treatment. The right option depends on the individual's goals, anatomy, health, expectations, and the specific area being treated.
If you are considering either option, discuss the potential benefits, limitations, risks, and alternatives with a qualified healthcare professional.
Choosing a qualified provider is an important part of undergoing non-surgical body contouring safely. Because different devices have different indications, limitations, and risks, the provider should have appropriate training and experience with the specific technology being used.
Consider the following before choosing a provider:
Ask about qualifications and training: Find out what professional qualifications and training the provider has and how frequently they perform the treatment.
Ask which device will be used: The name of the technology alone is not enough. Ask for the specific device and what it is authorized or intended to do.
Ask about the treatment area: Confirm that the device is intended for use on the specific area you want treated.
Discuss your medical history: Tell the provider about medications, supplements, implanted medical devices, previous surgery, skin conditions, and other relevant health factors.
Ask about expected results: A qualified provider should explain what the treatment can realistically accomplish rather than guaranteeing a particular result.
Ask about risks and alternatives: You should understand the potential complications, limitations, number of treatments, expected recovery, and other options before making a decision.
Ask about the facility: Find out where the procedure will be performed and what safety and infection-control measures are in place.
Be cautious if a provider promises dramatic results, guarantees a specific outcome, discourages questions, or pressures you to proceed without adequate time to consider the risks and alternatives.
Taking time to verify the provider, understand the specific device being used, and discuss your individual circumstances can help you make a more informed decision. The FDA recommends discussing the benefits, limitations, and risks of body-contouring devices with a healthcare provider before treatment.
Before undergoing non-surgical body contouring, it is useful to prepare questions about the specific device, expected results, risks, treatment process, and aftercare. Understanding these details can help you decide whether the procedure is appropriate for you.
Questions about the treatment
What specific device and technology will be used?
What is the device designed and authorized to do?
Is the device appropriate for the body area I want treated?
How many treatment sessions might I need?
How long will each treatment session take?
Questions about results
What kind of results can I realistically expect?
How long might it take before I notice changes?
How long are the results expected to last?
Will I need maintenance treatments?
Questions about safety
What are the most important risks or side effects associated with this specific device?
Are there any medical conditions, medications, implants, or skin conditions that could make treatment unsuitable for me?
What symptoms after treatment should prompt me to seek medical attention?
Questions about the provider and facility
What training and experience do you have with this specific treatment?
Where will the procedure be performed?
How are the device and any reusable components cleaned between patients?
What alternatives are available if this treatment is not appropriate for me?
Do not hesitate to ask for written information about the device and treatment. A qualified provider should be willing to explain the expected benefits, limitations, risks, and alternatives before you decide to proceed. The FDA specifically recommends researching the procedure, discussing your personal risk factors with a healthcare provider, and understanding the benefits and limitations of the device.
Is non-surgical body contouring the same as liposuction?
No. Non-surgical body contouring uses technologies such as cooling, heat, ultrasound, light, or magnetic fields without surgical incisions. Liposuction is a surgical procedure that physically removes fat through a cannula and suction.
Does non-surgical body contouring cause weight loss?
No. Non-surgical body contouring is intended to change the shape or appearance of specific areas rather than produce overall weight loss. It is not a treatment for obesity.
How many treatments will I need?
The number of treatments depends on the technology, device, treatment area, and desired outcome. Some procedures may require multiple sessions or maintenance treatments.
How long does it take to see results?
The timing varies by technology. Some changes may develop gradually over weeks or months, while other effects may be temporary. Your provider should explain the expected timeline for the specific device being used.
Are non-surgical body-contouring results permanent?
Not necessarily. Some results may be longer-lasting, particularly when a treatment reduces targeted fat cells, but other effects may be temporary. Changes in body weight and normal changes in body composition can also affect the appearance of results.
Is non-surgical body contouring safe?
These procedures have risks and potential complications, even when appropriate devices are used correctly and suitable patients are selected. Side effects and complications vary by technology and can include pain, redness, swelling, bruising, burns, changes in skin sensation, and other device-specific complications.
Can non-surgical body contouring remove loose skin?
Some technologies may make the skin appear tighter, but non-surgical body contouring does not surgically remove excess skin. People with significant loose skin may need to discuss other body-contouring options with a qualified healthcare professional.
Who should I talk to before getting non-surgical body contouring?
You should discuss the procedure with a qualified healthcare professional who can evaluate your health, the treatment area, your goals, and the specific device being considered. They should also explain the potential benefits, limitations, risks, and alternatives.