What is CLaCS and How Does It Revolutionize Spider Vein Treatment?

The efficacy of CLaCS stems from its synergistic approach. The laser energy precisely heats the targeted vessel, leading to its collapse. Simultaneously, a continuous stream of chilled air, often reaching temperatures as low as -20°C, is applied to the skin surface. This cryotherapy protects the epidermis from thermal damage and significantly enhances patient comfort by numbing the area. Following laser application, a sclerosing agent, typically a highly concentrated glucose solution or polidocanol, is injected into the treated vein. This combination therapy ensures thorough and effective occlusion of the problematic vessels. This integrated method allows for treating a wider range of vein sizes with enhanced precision and reduced side effects compared to isolated treatments.

The precision achieved with CLaCS is notable. The transdermal laser allows for direct visualization and targeting of the affected veins, even those not visible to the naked eye, under magnified light. The integrated cooling system is a game-changer for patient comfort, significantly mitigating the burning sensation often associated with laser treatments and the sting of injections. This makes the procedure more tolerable, especially for individuals sensitive to pain. Furthermore, the dual action of laser and sclerotherapy often results in more complete closure of the veins, leading to better long-term aesthetic outcomes and a lower chance of recurrence for the treated vessels. Dr. Rafael Costa, with his extensive experience, emphasizes this precision and patient comfort at SoulClin in Belo Horizonte.

CLaCS is particularly effective for treating C1 veins, as classified by the CEAP system, which include telangiectasias and reticular veins. These are often superficial, appearing as red, blue, or purple lines on the skin. During a consultation at SoulClin, Dr. Rafael Costa conducts a thorough vascular assessment, including a physical examination and sometimes a Doppler ultrasound, to determine the underlying cause and suitability for CLaCS. This ensures that any deeper venous insufficiency, such as issues with the saphenous vein, is identified and addressed first. The comprehensive evaluation ensures CLaCS is the most appropriate and effective treatment choice for the patient's specific condition.

Before the procedure begins, Dr. Rafael Costa meticulously maps the affected veins using a specialized light source that highlights the vessels beneath the skin. This mapping ensures precise targeting. During the treatment, the patient will feel intense cold air on their skin, followed by a brief warm sensation from the laser, and then a quick pinch from the injection. The continuous cooling significantly minimizes discomfort. Each session duration varies depending on the extent of the areas to be treated, but most sessions are outpatient, allowing patients to return home the same day. Patients are encouraged to walk immediately after the procedure to promote circulation.

Following a CLaCS session, it is common to observe some localized redness, slight swelling, and minor bruising along the treated veins. These effects are typically mild and resolve within a few days to a couple of weeks. Dr. Rafael Costa advises patients to avoid direct sun exposure on the treated areas and to use sunscreen to prevent hyperpigmentation. Light physical activity, such as walking, is encouraged to promote blood flow. Strenuous exercise or hot baths should be avoided for a few days. The treated veins will gradually fade over several weeks as the body naturally absorbs them, revealing clearer skin. Based on more than 15,000 procedures performed, patients at SoulClin generally report a smooth recovery.

The most common side effects are localized and temporary. Skin discoloration, which can appear as brown staining (hyperpigmentation), typically resolves over several months but can sometimes persist longer. Bruising and swelling are also common and usually subside within a week or two. In rare cases, superficial skin burns or allergic reactions to the sclerosing agent may occur. However, when performed by a qualified specialist like Dr. Rafael Costa at SoulClin, who utilizes advanced ultrasound guidance and precise techniques, the risks are significantly reduced. Open communication with your physician about any concerns is always encouraged.

Traditional liquid sclerotherapy involves injecting a solution directly into spider veins to irritate and close them. While effective for many cases, some veins can be resistant, or patients may experience more discomfort. CLaCS, by integrating the laser, pre-damages the vein wall, making it more receptive to the sclerosing agent. This synergistic effect often leads to more complete and durable vein closure. The cryo-cooling component is a significant differentiator, dramatically improving the patient experience by reducing pain and protecting the skin. For a detailed comparison, consider reviewing resources like the article on CLaCS vs. Conventional Sclerotherapy: 2026 Updates in Varicose Vein Treatment on our site.

At SoulClin, Dr. Rafael Costa, with CRM-MG 50839 and RQE 34276, 56282, is committed to providing state-of-the-art vascular care. His approach to CLaCS treatment is meticulous, combining deep scientific knowledge with an artistic eye for aesthetic results. Patients benefit from a comprehensive evaluation, transparent discussions about treatment options, and a focus on minimizing discomfort throughout the process. The clinic in Belo Horizonte is equipped with modern technology to ensure precise and effective treatments. Dr. Costa's dedication to continuous learning and adoption of proven innovations like CLaCS ensures patients receive high-quality, individualized care.