Full, well-defined lips have become one of the most requested cosmetic enhancements, and lip filler is the go-to way to achieve them without surgery. If you’re curious about the process, from what happens during your appointment to how to care for your lips afterward, here’s everything you need to know.
What Is Lip Filler?
Lip filler is an injectable treatment used to add volume, shape, or hydration to the lips. The vast majority of modern lip fillers are made from hyaluronic acid (HA), a sugar molecule the body already produces naturally in skin and connective tissue. HA binds with water to plump the treated area, and because it’s biocompatible, it integrates smoothly with surrounding tissue. Popular HA filler brands, like Teosyal, have different formulations suited to different goals — some are softer and better for subtle hydration, while others are firmer and built for more noticeable shaping.
One major advantage of HA fillers over older, permanent filler substances is reversibility. If you’re unsatisfied with your results, or in the rare case of a complication, we can inject an enzyme called hyaluronidase to dissolve the filler quickly.
Who Is a Good Candidate?
Most healthy adults seeking fuller, more symmetrical, or more defined lips are candidates for filler. It’s often used to:
- Add overall volume to thin lips
- Correct asymmetry between the upper and lower lip
- Sharpen the cupid’s bow and lip border
- Smooth vertical lines around the mouth
- Restore lost volume associated with getting older
People who are pregnant or breastfeeding, have active cold sores or skin infections near the mouth, or have certain allergies are generally advised to wait or avoid treatment. A consultation with us is the best way to confirm candidacy.
What Happens During Treatment?
At Cosmedica Aesthetics we starts with a consultation about your goals. If we decide to move forward with treatment we begin by numbing the area to be injected by using a topical cream. All of our products also contain lidocaine already mixed in, adding numbing during injection itself. We then inject a small amount of filler into targeted areas of the lip using a needle or a blunt-tipped cannula. The whole process usually takes 15 to 30 minutes.
Most people describe the sensation as pressure or pinching rather than sharp pain, and it’s generally well tolerated.
Recovery and Aftercare
Swelling is the most common side effect, often peaking around 24 to 48 hours after treatment before gradually subsiding. Bruising is also common, particularly for people on blood thinners or supplements like fish oil. To support smooth healing:
- Avoid strenuous exercise for a day or two
- Skip alcohol for 24 hours, as it can worsen swelling and bruising
- Apply ice in short intervals to reduce swelling
- Avoid excessive sun, heat, or pressure on the lips
- Hold off on kissing or anything that puts pressure on the area for a couple of days
Final results become clear once swelling resolves, typically one to two weeks post-treatment.
How Long Does It Last?
Lip filler typically lasts 6 to 12 months, though this varies by product, injected amount, and individual metabolism. Because lips are constantly in motion — talking, eating, smiling — filler tends to break down faster there than in less mobile areas like the cheeks. Many people schedule touch-up appointments every 6 to 9 months to maintain their look.
Risks to Know About
Beyond expected swelling and bruising, potential risks include lumps, asymmetry, infection, and rare but serious complications like vascular occlusion, where filler restricts blood flow. This is why choosing an experienced, licensed injector matters enormously. At Cosmedica Aesthetics we are qualified injectors that understand lip anatomy and can respond quickly if something goes wrong.
Getting a Natural Look
The difference between an enhancement that looks refined and one that looks overdone usually comes down to technique and restraint. At Cosmedica Aesthetics, we work with your natural lip shape rather than against it, often starting with a smaller amount and building up over multiple sessions. Bringing reference photos to your consultation and discussing your goals in detail helps ensure the final result matches your expectations.
Final Thoughts
Lip filler can be a low-commitment way to enhance your smile. Understanding what to expect — from the injection itself to aftercare and how long results last — helps set realistic expectations and leads to a better overall experience.
Got Questions? If you are near to Burlington, Ontario and want to book a complimentary consultation with us at Cosmedica, call 905-631-6288. We look forward to partnering with you to meet and exceed your individual goals.
