Chin contouring has become one of the most sought-after aesthetic treatments, especially among patients looking for non-surgical ways to refine their profile. In 2024, the American Society of Plastic Surgeons recorded over 439,000 noninvasive fat reduction procedures in the U.S. — a slight dip from previous years, reflecting changes in patient preferences and the rising popularity of new weight-management therapies.
While surface treatments like cryolipolysis (fat freezing) are still widely used for body sculpting, injectable solutions such as Aqualyx are carving out a unique space in the world of minimally invasive aesthetics. Designed to target stubborn fat in small, localized areas — particularly under the chin — Aqualyx works by breaking down fat cells and supporting gradual removal through the body’s natural processes.
In this article, we’ll take a closer look at Aqualyx for the chin area: how it works, what to expect during treatment, its safety and effectiveness, and how it compares to other injectable fat-reduction options.
Key Takeaways
- Submental fat, or a double chin, often resists diet and exercise due to genetics, aging, and localized fat storage, making targeted injections treatment necessary.
- Aqualyx provides non-surgical injections that use deoxycholic acid to break down fat cells under the chin, leading to gradual contour improvement.
- Unlike earlier fat-dissolving formulas, Aqualyx does not contain phosphatidylcholine (PPC). Its efficacy relies on a buffered deoxycholate gel matrix.
- The product is delivered as a ready-to-use injectable and must be placed in the deep subcutaneous fat layer using trained injection techniques.
- Practitioners must conduct a full patient assessment, use accurate injection mapping, and follow strict aseptic treatment protocols for safety and effectiveness.
- Swelling, tenderness, and nodules are common and usually resolve within 2–5 days. Patients should follow the Aqualyx aftercare advice to support recovery.
- Treatment results typically appear after the second session, with final outcomes visible 6–8 weeks after the last treatment.
- Ideal candidates have pinchable fat (≥1.5 cm), good skin elasticity, stable weight, and no contraindications.
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Aqualyx Chin: Why Submental Fat Persists and When Reduction Is Needed
Submental fat, also known as a double chin, lies beneath the jawline in two key layers: superficial fat lobules close to the skin, and deeper adipose pads that resist typical weight-loss methods. For many individuals, diet and exercise alone aren’t enough to address this specific area, which often leads them to explore aesthetic solutions.
Several factors contribute to the persistence of fat under the chin:
- Genetic predisposition, which encourages fat storage in the submental region
- Age-related volume redistribution, pushing more fat into the lower face and neck
- Localized fat pockets that remain unaffected even after overall weight loss
The goal of treatment is to improve the cervicomental angle (the curve between the chin and neck) and enhance facial harmony. Trained professionals assess fat volume, skin elasticity, and patient expectations before developing a personalized treatment plan. This tailored approach helps ensure both safety and satisfying treatment results.
Aqualyx Injections: How Aqualyx Dissolves Double Chin Fat (Mechanism of Action)
Aqualyx injections provide a non-surgical solution for reducing stubborn submental fat, often referred to as a “double chin.” The treatment uses a specially formulated compound designed to selectively target fat while preserving surrounding skin and tissue. Only trained practitioners with approved certification should perform a chin injection to ensure safety and predictable results.
The fat reduction process of injections works in two stages:
- Adipocyte Disruption: The active ingredient in Aqualyx injections is a modified form of deoxycholic acid. Once injected into the subcutaneous tissue, it disrupts fat cell membranes and triggers cell lysis. This process initiates a controlled inflammatory response, which marks the damaged fat cells for clearance. Buffering agents, such as galactose-based polymers, are included in the formulation to stabilize the release and reduce irritation, making the procedure more tolerable for patients.
- Gradual Clearance: After the fat cells are destroyed, the body begins a gradual clearance process. The released triglycerides and cellular debris pass through the lymphatic system and are metabolized over several weeks. This slow elimination allows the surrounding skin to adjust naturally, resulting in a smoother contour beneath the chin. Results typically appear progressively, with visible improvement after multiple sessions.
Formulation and Clinical Training
Earlier fat-dissolving treatments often combined deoxycholic acid with phosphatidylcholine (PPC). However, current Aqualyx formulations are PPC-free. The fat reduction effects are now entirely attributed to the deoxycholic acid gel matrix and its advanced formulation chemistry, which ensures controlled activity and improved tolerability.
Furthermore, a detailed understanding of this mechanism of action is a core part of Aqualyx training. Practitioners learn not only injection depth and mapping but also how the compound interacts with fat tissue in the body. This theoretical foundation, combined with practical treatment skills, enables providers to achieve consistent and safe results when offering chin injections treatments.
Aqualyx Chin: Treatment Process & Injections Protocol
Developed by Marllor Biomedical, Aqualyx injections provide a non-surgical option for reducing stubborn fat beneath the chin. This area is one of the most requested sites for melting injections, as patients often struggle with submental fullness despite diet and exercise. To ensure safety and effective outcomes, only licensed practitioners who have completed approved training should perform the treatment.
Patient Assessment and Consent
The process begins with a full assessment of the body and skin health. Practitioners review the patient’s medical history to rule out contraindications such as pregnancy, liver dysfunction, or hypersensitivity to the product. This can avoid further complications that may affect the patient’s health.
They then evaluate the amount of chin fat volume, often using a pinch test of more than 1.5 cm as a guide. At this stage, they discuss realistic treatment goals and obtain informed consent to ensure patients fully understand the expected outcomes and possible side effects.
Preparation and Injection Mapping
The Aqualyx manufacturer supplies it as a ready-to-use, sterile solution, eliminating the need for reconstitution. Before injections, practitioners thoroughly cleanse the submental area, and perform mapping using a fan or grid pattern with 1 cm spacing. This ensures consistent product placement and balanced fat reduction. The dosage varies depending on the patient’s chin fat volume, with typical sessions requiring 1–3 vials.
Injection Technique
For submental contouring, Aqualyx chin injections are administered into the deep subcutaneous layer. Practitioners may use a 25–27G needle or a 22–25G cannula, depending on preference and patient anatomy. Each injection site typically receives 0.2–0.4 mL, ensuring precise fat targeting and optimal results.
Training protocols emphasize avoiding superficial placement, which may lead to uneven results or skin irritation. Slow injection speed, followed by gentle massage or pressure, helps distribute the product and reduce discomfort.
Post-Treatment and Follow-Up
Immediately after the chin injection, practitioners apply cold packs to minimize swelling and bruising. Patients are advised to limit physical activity for 24 hours and to follow structured Aqualyx aftercare instructions, including proper hydration and, when appropriate, light compression.
Additionally, follow-up sessions are usually scheduled every four weeks. This allows practitioners to track progress, evaluate skin tightening, and determine whether additional melting injections are required for optimal results.
Aqualyx Chin: Results Timeline, Side Effects, and Patient Suitability
Setting proper expectations is key to patient satisfaction. Aqualyx doesn’t deliver overnight results—it works gradually as fat cells break down and are cleared from the body.
Results Timeline
- Patients can expect swelling and redness within the first 2–5 days after treatment
- Mild contour changes may begin around Week 2, with more visible results typically developing after the second session
- Final results are often seen 6 to 8 weeks after the last treatment, especially when sessions are spaced at monthly intervals
This gradual transformation supports natural-looking outcomes, which is one reason Aqualyx is popular for facial contouring.
Side Effects
Most patients experience mild to moderate effects that resolve on their own:
- Swelling
- Tenderness
- Bruising
- Small nodules or firmness at injection sites
While rare, more serious risks include infection, skin necrosis, or allergic reactions. Patients should seek immediate care for severe pain, persistent swelling, or symptoms like fever or hives. Practitioners must have the proper training so they can recognize and manage these complications promptly.
Patient Suitability
Aqualyx is most suitable for individuals who:
- Have pinchable submental fat (≥1.5 cm in many protocols)
- Exhibit good skin elasticity
- Maintain a stable body weight (±5% of their goal)
- Have no active medical contraindications
- Understand the process and have realistic expectations
Patients with prior experience in aesthetic treatments may be more comfortable with the process, but new patients can also benefit when properly educated.
Conclusion
Aqualyx chin treatment provides a minimally invasive, customizable solution for those struggling with submental fat that doesn’t respond to lifestyle changes. Using a modern formulation of deoxycholic acid, it works by gradually breaking down fat cells and improving chin and jawline contours over time.
The treatment requires expertise and only professionals who have completed proper training can perform the procedure. With the right treatment plan, attention to safety, and thorough aftercare, Aqualyx can help patients reach their aesthetic goals with no surgery required.
FAQs
1. What is Aqualyx chin treatment, and how does it work?
Aqualyx is a non-surgical injectable that targets fat under the chin using deoxycholic acid, which breaks down fat cells for natural elimination.
2. What should patients expect during the treatment process?
Patients will receive a personalized treatment assessment, followed by a series of carefully placed injections. Practitioners will guide them on aftercare to support healing and results.
3. How long until patients see results from Aqualyx chin treatment?
Most patients begin to notice visible changes after their second session, with final results typically seen 6–8 weeks after the last treatment.
References
American Society of Plastic Surgeons. 2024 ASPS Procedural Statistics Release. PlasticSurgery.org. Published 2024. Accessed August 20, 2025. https://www.plasticsurgery.org/documents/News/Statistics/2024/plastic-surgery-statistics-report-2024.pdf
Nall R. About Aqualyx Fat-Dissolving Injections. Healthline. Published December 12, 2020. Accessed August 20, 2025. https://www.healthline.com/health/aqualyx
