Knowledge What is the primary function of cooling gel in IPL? Expert Guide to Safety and Efficacy
Author avatar

Tech Team · Belislaser

Updated 2 days ago

What is the primary function of cooling gel in IPL? Expert Guide to Safety and Efficacy


The primary function of applying cooling transparent gel during Intense Pulsed Light (IPL) treatments is twofold: to protect the epidermis from thermal damage and to facilitate the uniform transmission of light to the skin. By creating a 2-5 mm barrier, the gel ensures energy is accurately directed toward target tissues rather than burning the surface.

The cooling gel acts as a critical interface that simultaneously shields the outer skin from heat and creates an "optical bridge" to maximize the amount of energy reaching the deeper target areas.

The Mechanics of Skin Protection

Preventing Thermal Injury

The most immediate function of the gel is epidermal protection. The gel layer absorbs a portion of the surface heat generated by the IPL device, preventing the outer layer of skin from overheating.

Enhancing Contact Cooling

Advanced IPL systems often use a cooled sapphire crystal tip. The gel acts as a conductive medium, transferring the cold temperature from the device tip directly to the skin more effectively than air could.

Improving Patient Comfort

By dissipating excess heat and keeping the skin surface cool, the gel significantly reduces the sensation of pain. This allows the patient to tolerate the procedure better, which is essential for treatments requiring higher energy settings.

Optimizing Light Delivery

Eliminating Air Gaps

Light loses energy when it hits air pockets between the device and the skin due to reflection. The gel acts as an optical coupling medium, filling these gaps and ensuring the light travels directly into the tissue.

Reducing Reflection

The gel reduces the difference in the refractive index between the light guide crystal and the skin. This reduction minimizes the amount of light that bounces off the skin surface, ensuring efficient penetration.

Ensuring Uniformity

According to the primary protocols, a consistent 2-5 mm layer facilitates uniform transmission. This ensures the light energy is spread evenly across the treatment area, avoiding "hot spots" or missed areas.

Common Pitfalls to Avoid

Inadequate Layer Thickness

Applying a layer thinner than the recommended 2-5 mm compromises safety. A layer that is too thin fails to provide adequate thermal insulation, increasing the risk of epidermal burns.

Breaking the Optical Connection

If the gel is applied unevenly, air gaps may persist. This breaks the optical coupling, leading to scattered light energy and reducing the overall efficacy of the treatment on deep tissue targets.

Making the Right Choice for Your Goal

The application of gel is not merely a comfort measure; it is a fundamental requirement for the physics of IPL to work correctly.

  • If your primary focus is Patient Safety: Ensure a continuous, generous layer (2-5 mm) of refrigerated gel to maximize the cooling effect and prevent thermal damage to the epidermis.
  • If your primary focus is Clinical Efficacy: Use the gel to eliminate all air gaps, as this optical coupling allows for higher energy density (fluence) to reach the deep dermis without scattering.

Proper gel application turns a potentially hazardous high-energy procedure into a precise, safe, and effective treatment.

Summary Table:

Function Mechanism Clinical Benefit
Epidermal Protection Absorbs surface heat & creates thermal barrier Prevents burns and thermal injury
Optical Coupling Eliminates air gaps & reduces reflection Ensures efficient light penetration
Patient Comfort Facilitates heat dissipation Minimizes pain and improves tolerance
Energy Delivery Maintains refractive index consistency Ensures uniform light transmission

Elevate Your Clinic’s Treatment Standards with BELIS

At BELIS, we specialize in professional-grade medical aesthetic equipment designed for clinics and premium salons seeking superior clinical outcomes. Our advanced laser systems—including Diode Hair Removal, CO2 Fractional, Nd:YAG, and Pico lasers—are engineered to work seamlessly with safety protocols like cooling gel application to ensure maximum patient comfort and efficacy.

Whether you are looking to upgrade your HIFU, Microneedle RF, or Body Sculpting (EMSlim, Cryolipolysis) solutions, BELIS provides the technology and support you need to excel. From specialized care devices like Hydrafacial systems and skin testers to our high-performance laser portfolios, we empower your business with reliable, cutting-edge tools.

Ready to transform your practice with industry-leading technology?

Contact Us Today to Learn More

References

  1. B. Wang, Yujia Li. Combination of intense pulsed light and fractional CO<sub>2</sub>laser treatments for patients with acne with inflammatory and scarring lesions. DOI: 10.1111/ced.12010

This article is also based on technical information from Belislaser Knowledge Base .

Related Products

People Also Ask

Related Products

4D 12D HIFU Machine Device for Skin Tightening and Lifting

4D 12D HIFU Machine Device for Skin Tightening and Lifting

Non-invasive HIFU machine for skin tightening & lifting. Stimulates collagen, reduces wrinkles, no downtime. Safe for all skin types.

IPL SHR+Radio frecuency machine

IPL SHR+Radio frecuency machine

Enhance your clinic with RF skin tightening and SHR/IPL hair removal machines. Advanced, efficient, and versatile aesthetic solutions.

4D 12D HIFU Machine Device for Skin Tightening

4D 12D HIFU Machine Device for Skin Tightening

Non-invasive HIFU device for skin tightening & fat reduction. 8 cartridges, 20,000 shots, 0.2J-3.0J energy. Painless, no downtime.

22D HIFU Machine Device Facial Machine

22D HIFU Machine Device Facial Machine

22D HIFU machine for non-invasive skin tightening & body contouring. Dual-frequency, collagen stimulation, fat reduction. 2-year warranty.

12D HIFU Machine Device for Facial HIFU Treatment

12D HIFU Machine Device for Facial HIFU Treatment

12D HIFU machine for non-invasive skin tightening & body contouring. Reduces wrinkles, lifts sagging skin, targets fat. Safe, no downtime. 2-year warranty.

Diode Laser SHR Trilaser Hair Removal Machine for Clinic Use

Diode Laser SHR Trilaser Hair Removal Machine for Clinic Use

Discover the diode laser hair removal machine for painless, effective treatments on all skin types. Safe, versatile, and advanced technology.

Skin Tester Analysis Machine Analyser for Skin Testing

Skin Tester Analysis Machine Analyser for Skin Testing

Advanced skin analysis machine for salons & clinics. AI-powered diagnostics, multi-spectral imaging, 30M-case database. FDA/CE certified. Get precise skin insights now!

7D 12D 4D HIFU Machine Device

7D 12D 4D HIFU Machine Device

7D HIFU system for skin tightening & body contouring. Non-invasive, dual-frequency technology with 7 cartridges. 2-year warranty.

Cryolipolysis Fat Freezing Machine and Ultrasonic Cavitation Device

Cryolipolysis Fat Freezing Machine and Ultrasonic Cavitation Device

Advanced body contouring system with cryolipolysis, RF, and laser for fat reduction and skin tightening. Non-invasive, FDA-cleared, visible results.

Clinic Use IPL and SHR Hair Removal Machine with Nd Yag Laser Tattoo Removal

Clinic Use IPL and SHR Hair Removal Machine with Nd Yag Laser Tattoo Removal

Experience advanced IPL hair removal and Nd:YAG laser tattoo removal. Safe, efficient, and multifunctional for all skin types. Explore now!

Hydrofacial Machine with Facial Skin Analyzer and Skin Tester

Hydrofacial Machine with Facial Skin Analyzer and Skin Tester

Advanced facial skin analyzer with AI diagnostics, hydrofacial treatment, and multi-spectral imaging for professional skincare. Customizable RF, ultrasound, and ion therapy.

Pico Picosecond Laser Machine for Tattoo Removal Picosure Pico Laser

Pico Picosecond Laser Machine for Tattoo Removal Picosure Pico Laser

Pico laser machine for tattoo removal, pigmentation, and skin rejuvenation. Safe for all skin types, minimal downtime. Learn more now!

Hydrafacial Machine Facial Clean Face and Skin Care Machine

Hydrafacial Machine Facial Clean Face and Skin Care Machine

Professional Hydrafacial machine for deep cleansing, exfoliation, and hydration. Advanced 6-in-1 technology with RF lifting and silent operation. Ideal for spas and clinics.

Ultrasonic Cavitation Radiofrecuency Machine for Body Slimming

Ultrasonic Cavitation Radiofrecuency Machine for Body Slimming

BELIS Ultrasonic Cavitation Machine for non-invasive fat reduction, skin tightening, and body contouring. Professional-grade RF technology for clinics.

EMSlim RG Laser Body Sculpting and Slimming Machine

EMSlim RG Laser Body Sculpting and Slimming Machine

EMSlim RG Laser Body Sculpting Machine: Non-invasive fat reduction & muscle toning. Dual-action Rglaser & HIFM RF technology for clinics.

Pico Laser Tattoo Removal Machine Picosure Picosecond Laser Machine

Pico Laser Tattoo Removal Machine Picosure Picosecond Laser Machine

Picosecond laser machine for tattoo removal & skin rejuvenation. Triple-wavelength, high-energy pulses for faster results with minimal downtime. Safe for all skin types.

Fractional CO2 Laser Machine for Skin Treatment

Fractional CO2 Laser Machine for Skin Treatment

CO2 Fractional Laser Machine for skin rejuvenation, scar removal, and gynecological treatments. Dual-mode precision with customizable settings. Learn more now!

Diode Tri Laser Hair Removal Machine for Clinic Use

Diode Tri Laser Hair Removal Machine for Clinic Use

Diode Laser Hair Removal Machine: Safe, effective, and pain-free for all skin types. Achieve permanent results with advanced multi-laser technology.

Cryolipolysis Fat Freezing Machine Ultrasonic Cavitation Fat Reducing Device

Cryolipolysis Fat Freezing Machine Ultrasonic Cavitation Fat Reducing Device

Advanced fat reduction system for non-invasive body sculpting, skin tightening, and cellulite treatment. FDA-cleared, multi-technology integration.

Trilaser Diode Hair Removal Machine for Beauty Clinic Use

Trilaser Diode Hair Removal Machine for Beauty Clinic Use

Discover the Trilaser Diode Hair Removal Machine for effective, pain-free hair removal on all skin types. Explore advanced features and benefits now!


Leave Your Message