The long-pulse 1064-nm Nd:YAG laser (LPNY) utilizes deep-penetrating photothermal energy to stimulate structural collagen remodeling while simultaneously suppressing overactive sebaceous glands. By targeting the dermis and subcutaneous layers, it addresses the two primary drivers of enlarged pores: structural skin laxity and excessive oil secretion.
The LPNY laser provides a dual-action therapeutic effect by heating deep dermal tissues to trigger neocollagenesis and regulating sebaceous gland activity to reduce sebum. This approach treats both the structural integrity of the pore and the biological fluid output that causes it to expand.
The Mechanism of Structural Pore Tightening
Activation of Dermal Fibroblasts
The 1064-nm wavelength is primarily absorbed by water within the dermis and deeper tissues. This absorption creates a controlled photothermal effect that activates fibroblasts, the cells responsible for skin repair and structure.
Neocollagenesis and Collagen Remodeling
The gentle heating of the deep dermis initiates neocollagenesis, or the production of new collagen. As these new collagen fibers form and existing fibers are homogenized, the skin’s structural matrix tightens, leading to a visible reduction in pore size.
Deep Penetration Capabilities
Because the 1064-nm wavelength has excellent deep penetration, it can reach the deep dermis and subcutaneous layers in a non-ablative manner. This allows for significant tissue heating without damaging the skin's surface, ensuring the structural remodeling happens from the inside out.
Regulating Sebum Production and Glandular Output
Thermal Suppression of Sebaceous Glands
The LPNY laser delivers energy in long pulses that convert into heat directly within the tissue. This thermal energy acts specifically on the sebaceous glands to regulate and reduce the volume of excessive sebum secretion.
Impact of Hair Follicle Reduction
In patients with dark or dense facial hair, the laser uses photothermal principles to destroy the hair follicle and bulb structure. Since thick hair physically occupies and expands the follicular canal, removing the hair effectively reduces the total volume of the pore, allowing it to retract.
Addressing the Root Causes
By simultaneously tightening the skin and lowering oil production, the LPNY laser treats both the biological and mechanical causes of large pores. This dual approach ensures that pores are not only structurally smaller but also less prone to being stretched by sebum "plugs."
Understanding the Trade-offs and Limitations
Non-Ablative vs. Ablative Outcomes
As a non-ablative treatment, the LPNY laser offers significantly less downtime than resurfacing lasers like CO2. However, because it does not remove layers of skin, achieving dramatic results often requires multiple treatment sessions compared to more aggressive options.
Thermal Sensitivity and Patient Comfort
The efficacy of the treatment depends on reaching specific thermal thresholds in the deep dermis. While this is necessary for collagen remodeling and gland suppression, it can cause a sensation of intense heat or discomfort during the procedure.
Variability in Sebum Response
While the laser effectively regulates sebaceous glands, the duration of sebum suppression can vary between patients. Hormonal factors and individual skin types may influence how long the reduction in oiliness lasts after the treatment series is complete.
How to Apply This to Your Clinical Goals
Choosing the Right Strategy for Your Goal
- If your primary focus is reducing oiliness and acne prevention: Prioritize settings that maximize thermal delivery to the sebaceous glands to suppress sebum production.
- If your primary focus is anti-aging and skin texture: Focus on deep dermal heating to maximize neocollagenesis and the structural tightening of the skin matrix.
- If your primary focus is minimizing pore volume in hairy areas: Utilize the laser’s hair removal capabilities to clear the follicular canal, allowing the pore to retract naturally.
By mastering the photothermal properties of the 1064-nm Nd:YAG laser, practitioners can provide a comprehensive solution that restores both the function and the appearance of the skin surface.
Summary Table:
| Mechanism | Target Area | Clinical Outcome |
|---|---|---|
| Neocollagenesis | Deep Dermis | Structural pore tightening & improved elasticity |
| Thermal Suppression | Sebaceous Glands | Reduced oil production & acne prevention |
| Photothermolysis | Hair Follicles | Reduced follicular volume & smoother texture |
| Deep Penetration | Subcutaneous Layers | Non-ablative remodeling with minimal downtime |
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Are you looking to offer your clients the gold standard in pore refinement and sebum control? BELIS specializes in professional-grade medical aesthetic equipment designed exclusively for premium salons and clinics. Our advanced Nd:YAG and Pico laser systems provide the precision needed for deep dermal remodeling and effective glandular regulation.
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- Comprehensive Portfolio: From specialized lasers (Nd:YAG, CO2 Fractional, Diode) to body sculpting (EMSlim, Cryolipolysis) and facial systems.
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References
- Ying Wang, Sui‐Qing Cai. Efficacy and safety of 1565-nm non-ablative fractional laser versus long-pulsed 1064-nm Nd:YAG laser in treating enlarged facial pores. DOI: 10.1007/s10103-022-03622-z
This article is also based on technical information from Belislaser Knowledge Base .
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