The 1450-nm diode laser system is defined by its ability to leverage the water absorption peak to generate therapeutic heat deep within the dermis. This specific wavelength allows the device to bypass surface irregularities and act directly on hyperplastic sebaceous glands, effectively suppressing oil production through thermal denaturation.
The system’s core value lies in its "heat-and-cool" duality: it delivers high-energy thermal denaturation to deep inflammatory nodules while simultaneously preserving the epidermis through an integrated dynamic cooling spray.
Targeting the Root Cause
Exploiting Water Absorption
The 1450-nm wavelength is specifically selected because it matches a peak absorption coefficient for water.
Since the dermis is water-rich, the laser energy is efficiently absorbed at depth rather than scattering on the surface.
This allows for the generation of significant thermal energy exactly where inflammatory acne originates.
Thermal Denaturation of Sebaceous Glands
The primary mechanism of action is thermal denaturation.
The laser does not merely heat the tissue; it raises the temperature of the hyperplastic sebaceous glands sufficiently to alter their structure.
This process suppresses the gland's function, leading to a reduction in the oil production that fuels severe acne and inflammatory nodules.
Ensuring Safety via Dynamic Cooling
The Necessity of Epidermal Protection
To treat deep nodules effectively, the system must deliver high energy levels.
Without intervention, this heat would travel upward and damage the epidermis, causing burns.
The system addresses this by integrating a dynamic cooling device (DCD).
How the Cooling Spray Works
The DCD releases a cooling medium onto the skin instantaneously.
References indicate this occurs immediately before and after the laser fire, rapidly lowering the surface temperature.
This creates a protective thermal barrier, ensuring the epidermis remains intact while the heat destroys the targeted glands below.
Patient Comfort and Precision
By neutralizing surface heat, the cooling spray significantly improves patient comfort during the procedure.
It allows the clinician to use the higher energy settings required for severe cases without compromising the skin's integrity.
Understanding the Trade-offs
Reliance on the Cooling Mechanism
The efficacy of the 1450-nm system is inextricably linked to the proper function of the dynamic cooling device.
Because the laser utilizes high-energy settings to penetrate to the deep dermis, the margin for error at the epidermal level is narrow.
If the cooling spray is obstructed or fails to fire synchronously with the laser pulse, the risk of epidermal injury or burns increases significantly.
Making the Right Choice for Your Goal
When evaluating the 1450-nm diode laser for clinical application, consider your specific treatment objectives:
- If your primary focus is deep nodule resolution: Rely on the system's ability to utilize water absorption to induce thermal denaturation in hyperplastic glands.
- If your primary focus is epidermal safety: Prioritize the calibration and function of the dynamic cooling device, as it is the critical failsafe that prevents surface damage during high-energy pulses.
Success with this technology requires balancing the aggression needed to denature glands with the protection required to preserve the skin surface.
Summary Table:
| Feature | Performance Characteristic | Clinical Benefit |
|---|---|---|
| Wavelength | 1450-nm (Water Absorption Peak) | Deep dermal penetration targeting the root of acne |
| Mechanism | Thermal Denaturation | Suppresses hyperplastic sebaceous glands & oil production |
| Protection | Dynamic Cooling Device (DCD) | Preserves epidermis and prevents burns during high-energy pulses |
| Target | Inflammatory Nodules | Effectively treats severe, deep-seated acne cases |
| Safety | Synchronized Cooling Spray | Maximizes patient comfort and allows higher energy settings |
Elevate Your Clinic’s Acne Treatment Standards with BELIS
Are you looking to provide your patients with the most advanced solutions for severe inflammatory acne? BELIS specializes in professional-grade medical aesthetic equipment designed exclusively for clinics and premium salons. Our advanced laser systems, including specialized diode technology, offer the precision and safety required for superior clinical outcomes.
By partnering with BELIS, you gain access to a comprehensive portfolio of high-end devices, from Nd:YAG and Pico lasers to Microneedle RF and HIFU. We also provide specialized care solutions like Hydrafacial systems and skin testers to ensure a complete treatment journey for your clients.
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References
- Sebastian A. Cruz, Nada Elbuluk. Targeting Inflammation in Acne: Current Treatments and Future Prospects. DOI: 10.1007/s40257-023-00789-1
This article is also based on technical information from Belislaser Knowledge Base .
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