Knowledge How are lasers used in aesthetics classified? Safety Precautions for Class IV Aesthetic Laser Systems
Author avatar

Tech Team · Belislaser

Updated 2 days ago

How are lasers used in aesthetics classified? Safety Precautions for Class IV Aesthetic Laser Systems


Aesthetic laser systems are classified based on their power emission capabilities, ranging from Class I (lowest power) to Class IV (highest power). The majority of lasers used in aesthetic medicine, including all devices utilized for tattoo removal, fall into the Class IV category. Because these are the most powerful lasers available, safety protocols are strict: it is mandatory that both the operator and the patient wear protective goggles or eye shields during treatment.

Class IV lasers represent the highest power tier in aesthetic technology, capable of delivering significant energy for treatments like tattoo removal. Consequently, strict adherence to eye protection protocols for everyone in the treatment room is the non-negotiable standard for safe operation.

The Logic of Laser Classification

Power Output Defines the Class

Lasers are categorized into four primary classes based on the potential hazard they pose. This hierarchy moves from Class I, which are generally safe under all conditions of normal use, up to Class IV.

The Standard for Aesthetics

Most aesthetic lasers are Class IV devices. This classification indicates a high power output necessary to penetrate tissue and achieve clinical results.

Specific Applications

Certain procedures require significant energy to break down pigments or stimulate tissue. Specifically, all lasers used for tattoo removal are designated as Class IV due to the intensity required to shatter ink particles.

Essential Safety Protocols

Mandatory Eye Protection

Because Class IV lasers emit high-energy beams, the risk of ocular injury is significant. The primary safety requirement is the use of protective goggles or eye shields.

Universal Coverage

Safety measures are not limited to the person handling the device. Protection is required for both the operator and the patient. Anyone within the treatment zone is susceptible to direct or scattered laser light.

Understanding the Risks and Responsibilities

The Trade-off of High Power

To achieve effective aesthetic results, such as removing a permanent tattoo, high energy is required. The trade-off for this efficacy is an increased risk profile that demands rigorous environment control.

The Hazard of Complacency

Class IV devices are hazardous not just upon direct impact, but also via reflections or scattered light. Skipping eye protection, even for a moment, exposes the retina to potentially irreversible damage.

Making the Right Choice for Your Goal

When managing or operating aesthetic laser equipment, safety is a prerequisite for efficacy.

  • If your primary focus is regulatory compliance: Ensure that every Class IV device in your inventory is paired with the correct protective eyewear for both staff and clients.
  • If your primary focus is clinical efficacy: Acknowledge that the results you seek require Class IV power, which inherently necessitates a zero-tolerance policy on safety violations.

Treat the safety protocols with the same precision as the procedure itself to ensure successful, injury-free outcomes.

Summary Table:

Laser Classification Power Level Typical Aesthetic Application Safety Requirements
Class I Lowest Diagnostic equipment Eye safe under normal use
Class II/III Moderate Low-level light therapy Caution required, avoid direct beam
Class IV Highest Tattoo removal, Hair removal, CO2 Fractional Mandatory goggles for operator & patient

Elevate Your Clinic with BELIS Professional Aesthetic Technology

As a specialist in professional-grade medical aesthetic equipment, BELIS provides premium salons and clinics with the industry's most advanced Class IV laser systems. Whether you are looking for high-intensity Nd:YAG and Pico lasers for tattoo removal, or precision Diode Hair Removal and CO2 Fractional systems, we ensure our devices deliver maximum clinical efficacy with uncompromising safety standards.

From body sculpting solutions like EMSlim and Cryolipolysis to advanced HIFU and Microneedle RF technology, BELIS is your partner in business growth. We help you navigate the complexities of high-power laser operation while providing the training and support needed to protect your staff and patients.

Ready to upgrade your practice with the gold standard of aesthetic lasers?

Contact Us Today to Request a Quote

Related Products

People Also Ask

Related Products

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!

Fractional CO2 Laser Machine for Skin Treatment

Fractional CO2 Laser Machine for Skin Treatment

CO2 Fractional Laser Machine for skin resurfacing, scar removal & anti-aging. 40W/60W power, adjustable modes & minimal downtime. FDA-approved for safe treatments.

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.

Multifunctional Laser Hair Growth Machine Device for Hair Growth

Multifunctional Laser Hair Growth Machine Device for Hair Growth

BELIS Laser Hair Growth Machine: 650nm cold laser therapy for hair regrowth, safe & effective for clinics. Non-invasive, FDA-approved, visible results.

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.

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!

Multifunctional Laser Hair Growth Machine Device for Hair Growth

Multifunctional Laser Hair Growth Machine Device for Hair Growth

BELIS Multifunctional Laser Hair Growth Machine: Stimulate hair regrowth, scalp health & skin rejuvenation with 650nm diode laser. Safe, pain-free, clinically proven.

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.

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!

Clinic Diode Laser Hair Removal Machine with SHR and Trilaser Technology

Clinic Diode Laser Hair Removal Machine with SHR and Trilaser Technology

Discover the Diode Hair Removal Laser: Advanced, pain-free, and versatile for all skin tones. Achieve permanent results with cutting-edge technology.

Cryolipolysis Fat Freezing Machine with Cavitation and Laser Lipolysis

Cryolipolysis Fat Freezing Machine with Cavitation and Laser Lipolysis

Advanced body contouring system with cryolipolysis, RF, cavitation & laser for non-surgical fat reduction and skin tightening.

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.

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.

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!

Cryolipolysis Fat Freezing Cavitation Lipo Laser Machine

Cryolipolysis Fat Freezing Cavitation Lipo Laser Machine

Non-invasive Cryolipolysis-Cavitation-Lipo Laser machine for fat reduction, body contouring, and skin tightening. Ideal for clinics and spas.

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.

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.

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 Cavitation Lipo Laser Machine

Cryolipolysis Fat Freezing Machine Cavitation Lipo Laser Machine

360 Degree Cryolipolysis with 40K Cavitation, Multipolar Radiofrecuency for Face and Body, with Lipo Laser for non-surgical fat reduction, body slimming, and skin tigtening, skin rejuvenation, clinic-grade results.

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.


Leave Your Message