Stacking technology represents a strategic shift in how laser energy is delivered during Fractional CO2 ablation, prioritizing depth and safety over raw, single-burst power. Instead of delivering a single high-energy beam, this technology fires a rapid sequence of 1 to 5 pulses at the exact same microscopic point, allowing practitioners to achieve greater penetration depth through cumulative energy delivery.
By utilizing extremely short cooling intervals between consecutive pulses, stacking technology drives energy into the deep reticular dermis to treat severe photoaging without the risks associated with increasing single-pulse intensity.
The Mechanics of Stacking
Sequential Pulse Firing
The core function of stacking is the delivery of multiple sub-pulses—typically between 1 and 5—directed at a single target zone.
Rather than ablating the tissue in one instantaneous event, the laser "stacks" these pulses one after another.
The Role of Cooling Intervals
Crucially, this process utilizes extremely short cooling intervals between each fired pulse.
This brief pause allows the tissue to stabilize slightly before the next pulse hits, preventing uncontrolled thermal buildup while still allowing the ablation channel to deepen.
Clinical Benefits and Efficacy
Accessing the Reticular Dermis
The primary clinical advantage of stacking is the ability to reach the reticular dermis, the lower layer of the dermis containing dense collagen and elastic fibers.
Standard single-pulse methods often struggle to reach this depth safely. Stacking allows the laser to tunnel deeper into this layer effectively.
Targeting Deep-Seated Defects
Because of this deep penetration, stacking is specifically indicated for treating deep-seated wrinkles and severe signs of photoaging.
It provides the necessary remodeling stimulus deep within the skin structure that superficial treatments cannot achieve.
Understanding the Trade-offs: Intensity vs. Repetition
The Limitation of Single-Pulse Intensity
To reach deep tissue with a single pulse, a practitioner would have to drastically increase the power (intensity) of that pulse.
This approach is risky; a massive increase in single-pulse intensity can cause excessive collateral heat damage, charring, or scarring.
The Stacking Solution
Stacking circumvents this trade-off by splitting the energy load.
It achieves the same or greater depth of ablation (the "hole" made in the skin) while maintaining a safety profile that would be impossible if that total energy were delivered in one burst.
Making the Right Choice for Your Goal
When configuring a Fractional CO2 Laser treatment plan, understanding when to utilize stacking is critical for patient outcomes.
- If your primary focus is treating deep rhytids (wrinkles): Utilize higher stack counts (up to 5) to ensure energy penetrates the reticular dermis for maximum collagen remodeling.
- If your primary focus is safety in sensitive areas: Rely on the stacking mechanism to deliver necessary depth without resorting to dangerous spikes in single-pulse power intensity.
Stacking transforms the laser from a surface tool into a deep-tissue remodeling instrument, balancing aggressive depth with thermal control.
Summary Table:
| Feature | Single-Pulse Delivery | Stacking Technology |
|---|---|---|
| Mechanism | One high-energy burst | 1-5 rapid sequential pulses |
| Penetration Depth | Primarily epidermal/superficial | Reaches deep reticular dermis |
| Thermal Control | Risk of collateral heat damage | Controlled cooling between pulses |
| Best Used For | Surface texture & light pigments | Deep wrinkles & severe photoaging |
| Safety Profile | Lower at high intensities | High; avoids tissue charring |
Elevate Your Clinic with BELIS Medical Aesthetic Solutions
Are you looking to provide your patients with superior results in deep tissue remodeling and skin resurfacing? BELIS specializes in professional-grade medical aesthetic equipment designed exclusively for clinics and premium salons. Our advanced CO2 Fractional Laser systems utilize state-of-the-art stacking technology to ensure deep dermal penetration with unmatched thermal control and safety.
From our high-performance Pico and Nd:YAG lasers to HIFU, Microneedle RF, and comprehensive body sculpting solutions like EMSlim and Cryolipolysis, BELIS provides the tools you need to stay at the forefront of the industry.
Ready to upgrade your practice? Contact us today to explore our full portfolio and discover how our specialized care devices and expert support can maximize your clinic's value.
References
- Gastão Carlos Baldin, Fernanda Soubhia Liedtke. Use of ablative fractional CO2 laser in facial rejuvenation: a prospective observational cohort study. DOI: 10.54448/mdnt23213
This article is also based on technical information from Belislaser Knowledge Base .
Related Products
- Fractional CO2 Laser Machine for Skin Treatment
- Fractional CO2 Laser Machine for Skin Treatment
- Hydrafacial Machine Facial Clean Face and Skin Care Machine
- Pico Laser Tattoo Removal Machine Picosure Picosecond Laser Machine
- Cryolipolysis Fat Freezing Cavitation Lipo Laser Machine
People Also Ask
- Who is not a good candidate for CO2 laser? Avoid Complications and Ensure Safe Treatment
- Why am I not seeing results after a CO2 laser? Your Patience is the Key to Long-Term Skin Rejuvenation
- How does fractional CO2 laser work? The Science Behind Powerful Skin Renewal
- What is a fractional CO2 laser machine used for? A Guide to Advanced Skin Resurfacing
- What is a CO2 fractional laser good for? Dramatic Skin Rejuvenation for Wrinkles & Scars
