Treatment for Under-Eye Bags
Do your under-eye bags change over the course of the day, or are they still visible after a good night's sleep? Treatment for under-eye bags starts with what forms them: fluid, sagging skin, fat, or several of these at once. These components do not call for the same approach: reducing fluid-related puffiness is not the same as correcting a bulge caused by fat.
- Skin, fat, fluid
- Global Aesthetic consultation
- Sainte-Thérèse

In Brief
Five things to know before deciding- What forms a bag: sagging skin, fat pushing forward under the eye and fluid building up; a single bag can combine all three.
- Everyday measures and skin care: getting enough sleep, limiting salt, raising your head and applying a cool compress can reduce fluid-related puffiness; improving this puffiness does not mean that the bulge caused by fat has been corrected.
- Without surgery: focused ultrasound targets skin firmness, and CO2 laser targets the skin's texture and fine lines; whether they are indicated under the eye has yet to be confirmed.
- Eyelid surgery: it may be discussed for a bothersome bag caused by fat.
- Seek care right away: vision problems, eye irritation, headaches, a rash, or swelling in the legs or foamy urine.
Understanding Where Your Under-Eye Bags Come From
Age, heredity, sleep, salt and allergies are among the causes of under-eye bags. Their role is not the same for everyone.

Causes of Under-Eye Bags
Possible causes of under-eye bags and the signs that warrant a medical assessment.
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What Forms an Under-Eye Bag
Over time, the skin under the eye can sag, and the fat that normally surrounds the eye can move forward into the area below it. The space under the eye can also retain fluid, which makes it look puffy. A bag can combine several of these components. The choice of treatment depends on what forms it.
Fluid retention can make bags more noticeable when you wake up or after a salty meal. Age, lack of sleep and allergies can also contribute to bags. Heredity also plays a role. If an allergy seems to be involved, a pharmacist or a doctor can advise you. Whether your bag changes during the day or stays the same, looking in the mirror is not enough to determine what forms it. Skin, fat and fluid can be distinguished through an examination.
- What you see
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A bag that changes during the day or stays the same
- What only the doctor can tell on examination
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- Skin
- Fat
- Fluid
Bag, Dark Circle or Hollow: What You See in the Mirror
- Bag
- Dark circle
- Hollow
A dark area under the eye is not always pigment. It can be the shadow cast by a puffy eyelid, or by a hollow that becomes more pronounced with age. When a nearby hollow occurs alongside fat pushing forward, the shadow is accentuated, to varying degrees depending on the lighting. Distinguishing between dark circles and under-eye bags lets you tell discolouration apart from changes in contour. Dark circles caused by discolouration do not call for the same approach as a shadow created by a hollow.
Filler targets a hollow under the eye, not the fat in the bag: this is the principle behind injectable treatment for under-eye hollows, which requires checking whether an injection is right for you and what risks it involves.
Everyday Measures and Skin Care: What They Can Do
Everyday measures
When fluid contributes to puffiness, a few habits can reduce it.
- Get enough sleep: seven to nine hours is appropriate for most adults.
- Limit salt to reduce fluid retention.
- Sleeping with your head slightly raised, with an extra pillow or by raising the head of the mattress a few centimetres, can also limit fluid buildup around the eyes overnight.
- A cool compress also helps: wet a clean cloth with cool water, then, while sitting, place it under and around your eyes for a few minutes, pressing lightly.
These measures help limit fluid-related puffiness; this is not the same as correcting bulging fat. They do not guarantee that the bag will disappear.
Creams and skin care
A moisturizer can temporarily make fine lines less noticeable.
A cream or lotion does not penetrate deeply enough to lift sagging skin: it acts on the surface of the skin. Better-hydrated skin does not mean that the bulge caused by fat has disappeared.
Without Surgery: What Focused Ultrasound, CO2 Laser and Skin Care Target
Focused ultrasound aims to firm the skin; CO2 laser acts on its texture and fine lines. Whether they are indicated under the eye has yet to be confirmed: before considering them in this area, the device's licensed use needs to be checked, along with whether the technique is right for you. CARE MD offers an assessment; this information does not mean that either of these procedures will be offered to you for the area under your eyes.
Focused ultrasound
Focused ultrasound delivers heat below the surface of the skin.
This heat can prompt the body to produce more collagen, the protein that gives skin its firmness: the goal is firmness, not getting rid of a bag. Firming the skin is not the same as removing bulging fat; these are two different goals. Focused ultrasound treatments for the face are based on this principle; for the area under the eye, the doctor checks during the assessment whether the device is indicated.
CO2 laser
CO2 laser is an ablative laser: it destroys the outer layer of the skin and heats the skin beneath.
This heat stimulates collagen growth, which improves firmness and texture. Its effect on texture and fine lines is no basis for promising that a bulge caused by fat will disappear. “Fractional” means that the laser treats microscopic columns of tissue; this method can be ablative or non-ablative, and it does not make the laser risk-free. A non-ablative laser is less aggressive and requires a shorter recovery, but its results are more subtle.
Different mechanisms
Both techniques heat the skin to stimulate collagen, but not in the same way: the ablative laser first destroys the outer layer, whereas ultrasound delivers heat below the surface.
To compare them, you first need to clarify what you want to change: texture and fine lines, or firmness. Because their mechanisms differ, neither can be identified as the better technique for all bags. Also check that the device being offered is licensed in Canada for the technique being considered; a licence alone does not indicate that the device is appropriate near the eye.
Everyday measures, creams, firming and resurfacing target fluid or skin. Improving these components does not guarantee that bulging fat will be corrected or that the bag will disappear.
Surgery and Medical Advice
For a bag that is mainly caused by fat, persistent or bothersome, eyelid surgery — blepharoplasty — can be discussed. Puffy, red or irritated eyelids, thyroid eye disease or the period after eye surgery first require medical advice, from a doctor or from Experience CARE, before any cosmetic treatment.
Seek Care Right Away
Seek Care Right Away
- If your under-eye bags cause vision problems, irritation or headaches, or if a rash appears, seek medical advice before any cosmetic treatment.
- Also mention any swelling in your legs, ankles or other parts of your body, or foamy urine: these signs can occur with kidney disease.
You do not have to wait until they are all present to talk to a doctor about them.
Several medical conditions can be accompanied by puffiness under the eyes. The appearance of a bag alone is not enough to identify a disease: a doctor needs to assess your situation. The link sometimes made between under-eye bags and the liver cannot be verified by looking at the eyelids either.
What the Doctor Checks During the Assessment
At CARE MD, in Sainte-Thérèse, on Montreal's North Shore, the assessment (the Global Aesthetic consultation) starts with what you want to change: less puffiness when you wake up, a less prominent bulge or skin that looks different. These goals do not call for the same options.
You do not have to choose a technique beforehand: the assessment is an opportunity to tell a cosmetic concern apart from a situation that requires a medical examination. It is also an opportunity to discuss whether it is better to treat, to wait or to refer you to a doctor, rather than choosing a technique straight away.
Risks, sessions and what to expect afterwards
Laser resurfacing can cause blisters, burns, infection, lighter or darker skin and scarring; the risk of scarring is slightly higher with an ablative laser.
- Blisters
- Burns
- Infection
- Lighter or darker skin
- Scarring
Laser treatment can also reactivate the cold sore virus. Eye protection is necessary during cosmetic laser treatment; it does not eliminate the risk. Before considering ultrasound near the eye, ask what risks and what protective measures apply to that device in this area. A non-surgical technique is therefore not risk-free.
- After laser resurfacing
- Light skinBlack or brown skin
On brown or Black skin, the risk of lasting changes in colour is higher.
- Discomfort
-
Ask how discomfort will be relieved.
For resurfacing, a medication can be used to numb the skin; if the whole face is treated, sedation may be considered. This is not a protocol that automatically applies under the eyes.
- Sessions and schedule
-
The number of sessions, the interval between them, the time before the effect appears, how long it lasts, maintenance and the number of recovery days depend on the technique and your situation.
Before deciding, ask for a schedule tailored to the option chosen, including how many days of recovery to plan for.
- Sun protection
-
After resurfacing, sun protection remains necessary: sun exposure can undo the results.
Combining several techniques does not guarantee a better result: the doctor takes into account previous procedures, current treatments and how your skin has reacted in the past, and then assesses each technique separately.
Ask Us About Treatment for Under-Eye Bags
Frequently asked questions
Can an in-clinic skin care treatment reduce under-eye bags and dark circles?
A skin care treatment affects how the skin's surface looks: it hydrates, and a moisturizer can temporarily make fine lines less noticeable. It does not work below the surface to lift sagging skin, and it targets the skin, not the fat in a bag or the hollow that deepens its shadow. What a treatment can change therefore depends on what bothers you: the texture and tone of your skin, or the contour. Facial treatments target the appearance of the skin; if the contour bothers you more, the first step is to determine what forms it.
Sources3 references
How much does treatment for under-eye bags cost?
The cost depends on the option chosen after the assessment. There is no single price, because under-eye bags are not all made up of the same components, nor do they all call for the same treatment: an at-home measure, skin firming and eyelid surgery are not the same decision. You can ask about the cost of the option chosen once what is right for you has been clarified during the assessment.
Sources3 references
What can you do about under-eye bags?
It depends on what forms them. If it is fluid, getting enough sleep, limiting salt, sleeping with your head slightly raised and applying a cool compress can reduce the puffiness. If it is sagging skin, a moisturizer only acts on the surface, and firming or resurfacing is discussed during the assessment. If it is fat pushing forward, improving the skin's hydration or firmness is not the same as correcting this bulge. In all cases, a vision problem or eye irritation first requires medical advice.
Sources3 references
Can non-surgical techniques remove a bag caused by fat?
Firming or resurfacing the skin is not the same as removing the fat in a bag. Ultrasound heats the skin below the surface to stimulate collagen and firm it; CO2 laser destroys the outer layer of the skin and heats the layer beneath, which acts on its texture and fine lines. These techniques target the skin, and whether they are indicated under the eye has yet to be confirmed. A bag that is mainly caused by fat therefore calls for a different discussion from simple skin care.
Sources3 references
How many sessions does it take to see a result?
The number of sessions, the interval between them and the time before the effect appears depend on the technique and the person; no single number applies to all bags. A non-ablative laser is less aggressive and requires a shorter recovery than an ablative laser, but its results are more subtle. For the option chosen, ask when the effect may appear, how long it may last and what maintenance to plan for.
Sources1 reference
Are the treatments painful, and is anesthesia needed?
Laser resurfacing can cause discomfort. A medication can be used to numb the skin; if the whole face is treated, sedation may be considered. For ultrasound, ask what you might feel with the device being considered and how that discomfort would be relieved. Before the treatment, ask how discomfort will be relieved.
Sources1 reference
Can several treatments be combined?
Combining techniques does not guarantee a better result. Before a combination is discussed, the doctor examines previous procedures around the eyes, current treatments and how your skin has reacted in the past, and then assesses the suitability of each technique and the precautions it requires separately.
Sources1 reference
What precautions should you take before treatment for under-eye bags?
Prepare details of your medical history, medications and prescribed treatments, along with information about any procedures you have already had around the eyes and how your skin has reacted. Mention whether you are pregnant, have a skin infection or get cold sores. Ask how your allergies or breastfeeding affect the option being considered, without assuming that the same rule applies to all techniques. Before laser treatment, ask what risks it carries, how your eyes will be protected and how to protect your skin from the sun afterwards. For ultrasound, ask about the risks and protective measures specific to the device and the area. A vision problem or irritation first requires medical advice, not a choice of cosmetic treatment.
Sources4 references
Sources11 references+
- Mayo Clinic — Bags under eyes: Symptoms and causes (opens in a new tab)
- Mayo Clinic — Bags under eyes: Diagnosis and treatment (opens in a new tab)
- Goldberg et al. — What causes eyelid bags? (Plastic and Reconstructive Surgery) (opens in a new tab)
- Sarkar et al. — Periorbital Hyperpigmentation: A Comprehensive Review (Journal of Clinical and Aesthetic Dermatology) (opens in a new tab)
- Mayo Clinic — Dark circles under eyes: Causes and definition (opens in a new tab)
- Goldman, Goldust and Wollina — Periorbital Hyperpigmentation—Dark Circles under the Eyes; Treatment Suggestions and Combining Procedures (Cosmetics) (opens in a new tab)
- American Academy of Dermatology — Many ways to firm sagging skin (opens in a new tab)
- Mayo Clinic — Laser resurfacing (opens in a new tab)
- Health Canada — Cosmetic Laser Treatments (opens in a new tab)
- Health Canada — Medical Devices Active Licence Listing (MDALL) API Guide (opens in a new tab)
- NIDDK — Nephrotic syndrome in adults (opens in a new tab)
Under-Eye Bags: Limitations and Precautions Before a Treatment
Results from treatment or skin care vary from person to person; what is right for you is clarified during the assessment.
Limitations and precautions
Mention your medical history, your medications and prescribed treatments, whether you are pregnant, any skin infection, cold sores and your previous procedures.
Laser treatment carries risks: blisters, burns, infection, changes in skin colour, scarring; eye protection is necessary.
After resurfacing, protect your skin from the sun.
Vision problems, eye irritation, headaches, a rash, swelling in the legs or foamy urine require medical advice before any cosmetic treatment.
Everyday measures and creams target fluid or the surface of the skin; none of them guarantees that a bag caused by fat will disappear.
Focused ultrasound and CO2 laser target the skin; whether they are indicated under the eye has yet to be confirmed. Their effect on the skin does not guarantee that a bulge caused by fat will be corrected.
The result, how long it lasts and the number of sessions depend on the technique and the person.

Let's Talk About What Bothers You Before You Decide
To find out what forms your under-eye bags and what might be right for you, CARE MD, in Sainte-Thérèse, offers a Global Aesthetic consultation.
