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Coolfase

Coolfase at Mason Clinic offers non-surgical RF lifting with patented cooling technology for safe, gradual skin tightening and improved facial contours.

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Coolfase

Practitioner using a handheld treatment device on a woman's cheek.

Coolfase is a non-surgical lifting treatment offered at Mason Clinic, designed to improve skin elasticity and address early signs of sagging through the controlled delivery of radiofrequency (RF) energy. What distinguishes Coolfase is its patented cooling technology, which protects the skin surface while energy is delivered to deeper layers.

At Mason Clinic, Coolfase is positioned as a patient-centered solution for individuals seeking gradual, natural-looking improvements in skin firmness without surgical intervention. The treatment aligns with the clinic’s philosophy of preserving balance and elegance over time, rather than creating abrupt or exaggerated changes.

Coolfase is particularly suited for patients who are beginning to notice reduced elasticity or subtle contour changes and prefer a treatment approach that allows for minimal disruption to daily life.


Conditions Addressed by Coolfase

Coolfase is used at Mason Clinic to address common concerns related to skin aging and loss of firmness. These concerns typically develop gradually and may include:

Skin Laxity

As the skin loses elasticity over time, it may begin to appear looser or less firm. Coolfase helps target this concern by delivering RF energy that supports structural tightening within the skin.

Early-Stage Sagging

Patients who are in the early stages of noticing sagging—particularly around the lower face or jawline—may benefit from a non-invasive approach like Coolfase.

Loss of Facial Definition

Blurring of the facial contour or jawline is a common aesthetic concern. Coolfase is designed to help improve the appearance of these areas by promoting a tighter, more defined look.

Decreased Skin Elasticity

Changes in skin texture and resilience can occur with time. Coolfase is intended for patients who want to address these changes without undergoing surgical procedures.


How Coolfase Works

Coolfase aesthetic treatment device with touchscreen display and handheld applicators.

Radiofrequency Energy Delivery

Coolfase uses radiofrequency energy to interact with the skin. This energy is delivered in a controlled manner to support tightening effects within the treated area. The goal is to improve overall skin firmness and contribute to a more defined appearance.

Patented Cooling System

A defining feature of Coolfase is its patented cooling mechanism, which operates simultaneously with RF energy delivery. While the deeper layers of the skin receive thermal stimulation, the surface is continuously protected through cooling.

This dual-action system serves two essential purposes:

  • Maintaining skin surface safety during treatment

  • Enhancing patient comfort by minimizing heat-related discomfort

Temperature Monitoring for Safety

Coolfase incorporates a tip temperature sensor, allowing for real-time monitoring during the procedure. This helps ensure that the treatment remains controlled and consistent, supporting a safe treatment environment.


Treatment Process at Mason Clinic

At Mason Clinic, Coolfase treatments are performed within a structured system designed to prioritize patient safety, comfort, and individualized care.

1. Personalized Consultation

Patients begin with a consultation process. If requested, a director-level consultation is guaranteed, ensuring that treatment planning is guided by experienced medical oversight.

2. Precision Skin Assessment

The clinic utilizes ultrasound-based diagnostics to assess:

  • Skin thickness

  • Fat layer

  • Muscle layer

This evaluation supports a tailored treatment approach, allowing Coolfase to be applied according to each patient’s specific skin characteristics.

3. Professional Pre-Treatment Care

There is no self-cleansing process. Instead, trained professionals perform all preparatory steps, including cleansing, ensuring consistency and hygiene from the beginning of the treatment.

4. Controlled Procedure

During the Coolfase procedure:

  • RF energy is delivered to the targeted areas

  • The patented cooling system protects the skin surface

  • Temperature sensors help maintain safety and precision

The treatment is performed in a fully private setting, with an independent pathway that minimizes unnecessary movement and enhances patient comfort.

5. Immediate Post-Treatment Care

Following the procedure, professional aftercare is provided. Patients remain under supervised care until the session is completed.


Mason Clinic’s Medical Approach

Reception and waiting area at Mason Clinic with cream seating and warm wooden interiors.

Coolfase at Mason Clinic is not offered as a standalone procedure, but as part of a broader patient-centered medical system. The clinic’s approach is defined by the following principles:

Individualized Treatment Planning

Each patient’s skin condition is evaluated through diagnostic tools and consultation. This ensures that Coolfase is applied in a way that aligns with the patient’s needs rather than a standardized protocol.

Full-Cycle Professional Care

From cleansing to post-treatment management, every stage is handled by trained professionals. This eliminates variability in patient preparation and recovery processes.

Commitment to Transparency

All treatment components—such as consumables and procedural elements—are handled with transparency. Items are opened in front of the patient and documented, supporting trust and accountability.

Comfort-Focused Systems

Mason Clinic incorporates a painless treatment system, which may include multiple methods designed to reduce discomfort during procedures. While Coolfase itself emphasizes cooling for comfort, this broader system reflects the clinic’s overall approach to patient care.


Safety Standards and Patient Care

Safety is a central component of Coolfase treatment at Mason Clinic. The clinic integrates multiple systems to maintain a controlled and patient-focused environment.

Skin Surface Protection

The patented cooling technology plays a critical role in protecting the outer layer of the skin during RF energy delivery.

Real-Time Monitoring

Temperature sensors built into the treatment tip allow for continuous monitoring, helping maintain appropriate treatment conditions.

Private Treatment Environment

Patients receive care in independent, private spaces, minimizing external disruptions and supporting a more controlled clinical setting.

Strict Process Management

From preparation to completion, each step of the Coolfase procedure follows a structured protocol. This reduces variability and supports consistent care quality.


Recovery and Follow-Up Care

Woman with long wavy brown hair gently resting her hands against her cheek.

Minimal Disruption to Daily Life

Coolfase is designed as a non-surgical treatment, making it suitable for patients who prefer minimal interruption to their routine. The procedure allows patients to return to daily activities with limited inconvenience.

Gradual Improvement

The effects of Coolfase develop progressively. Rather than immediate dramatic changes, patients can expect a gradual improvement in skin elasticity and contour, supporting natural-looking results over time.

Post-Treatment Care

Aftercare is provided by trained professionals at Mason Clinic. Patients receive guidance tailored to their treatment, ensuring that the skin is managed appropriately following the procedure.

Long-Term Skin Management

Coolfase can be part of an ongoing skin care strategy. At Mason Clinic, long-term care is approached with attention to:

  • Skin condition changes over time

  • Maintenance of elasticity and contour

  • Patient preferences for natural outcomes

Follow-up consultations may be recommended to monitor progress and adjust treatment plans if needed.


Conclusion

Coolfase at Mason Clinic represents a structured, non-invasive approach to addressing early signs of skin aging. By combining radiofrequency energy with a patented cooling system, the treatment focuses on improving skin firmness while maintaining surface safety.

Within Mason Clinic’s broader medical framework—characterized by personalized diagnostics, professional care at every stage, and strict safety protocols—Coolfase is delivered as a controlled and patient-centered procedure.

For individuals seeking gradual, natural improvements in skin elasticity and contour without surgery, Coolfase offers a clinically managed option aligned with long-term skin health and balance.

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Clinical Safety Notice & Personalized Consultation

All treatments at our clinic are performed after a 1:1 medical consultation with our attending physicians. Individual outcomes vary depending on skin anatomy and condition. Possible post-procedure effects include temporary redness, swelling, bruising, tenderness, or infection.

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Mason Clinic

Mason Clinic

Private 1:1 slow-aging, non-surgical lifting, contour balance, and M-Cell stem cell clinic right at Sinnonhyeon Station Exit 3 in Gangnam, Seoul. Every consultation and procedure is performed personally by Representative Director Dr. Hyun-Ju Kim.

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CLINICAL SPECIALTIES

Mason Signature (Slinique™)Lifting & TighteningContour & BalanceSkin BoostersSkin Rejuvenation & Pore CareM-Cell Stem Cell TherapyHair & Scalp TherapyIV Drip & Wellness

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Address: 5F, 484 Gangnam-daero, Seocho-gu, Seoul (서울특별시 서초구 강남대로 484, 5층)

Subway: Sinnonhyeon Station (Line 9 & Shinbundang Line) Exit 3 — Directly in front (1-min walk)

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Mason Clinic (메이슨의원) | Representative Director: Dr. Hyun-Ju Kim (대표원장 김현주) | Business Reg. No.: 312-32-01552 | 5F, 484 Gangnam-daero, Seocho-gu, Seoul (서울특별시 서초구 강남대로 484, 5층) | © 2026 Mason Clinic. All rights reserved.

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