What Is The Primary Function Of The 808Nm Diode Laser System In Upper Lip Hair Removal? Precision Permanent Results

Learn how 808nm diode lasers use selective photothermolysis to destroy hair follicles permanently while protecting the sensitive upper lip area.

What Are The Two Types Of Fat Tissue In The Body And How Do They Differ In Their Response To This Treatment?

Learn the difference between subcutaneous and visceral fat to see if your body contouring treatment will be effective based on fat accessibility.

What Pain Management And Prophylactic Treatments Are Used During Co2 Laser Resurfacing? Comprehensive Safety Guide

Learn about essential anesthesia methods and prophylactic antiviral/antibiotic protocols required for safe and effective CO2 laser resurfacing.

What Were The Clinical And Histologic Outcomes Of Elos (Rf+Ipl) Studies? Transform Skin With Data-Backed Results

Clinical studies show ELOS systems achieve 75% skin improvement and 28% collagen growth. Explore the data on RF and IPL combined skin rejuvenation.

For Whom Is Super Hair Removal (Shr) Suitable? Professional Guide To Skin Types And Body Parts

Discover why SHR is safe for all skin tones and body areas. Learn about the 'In-Motion' technology for painless, effective hair removal.

What Is Crucial For Achieving Safety And Efficacy In Rf Microneedling? Master Parameter Optimization For Results

Learn why optimizing treatment parameters is essential for Radiofrequency Microneedling (RFM) to ensure patient safety and clinical efficacy.

What Is The Recommended Usage Protocol For Lllt Devices? Expert Guide To Laser Caps & Combs

Learn the standard LLLT protocol: 3 sessions per week, 20 minutes each. Compare laser caps and combs for optimal hair growth results.

What Is Hydro Dermabrasion? The Ultimate Guide To Deep Hydration And Radiant Skin For Your Salon

Learn how hydro dermabrasion combines vacuum exfoliation and nutrient infusion to improve skin texture, clear pores, and enhance radiance.

How Is The Nd:yag Laser Used To Treat Hyperpigmentation? Advanced 1064Nm Solutions For Clear Skin

Learn how Nd:YAG laser 1064nm technology targets deep melanin to eliminate hyperpigmentation and dark circles with precision and safety.

What Is The Most Common Type Of Q-Switched Laser? Discover The Gold Standard Nd:yag For Precision Treatments

Learn why the actively Q-switched Nd:YAG bulk laser is the industry standard, offering high peak power and nanosecond precision for clinics.

What Is The Procedure For Nonablative Skin Resurfacing For Wrinkles And Acne Scars? Achieve Smooth Skin With Nd:yag

Learn how Q-switched Nd:YAG lasers treat wrinkles and acne scars via deep dermal collagen stimulation with zero downtime and 1064 nm precision.

Which Dermal Pigmented Lesions Are Treated With A 1064 Nm Q-Switched Laser? Achieve Near-Total Clearing For Birthmarks

Learn how the 1064 nm Q-switched laser effectively treats Nevus of Ota, Hori’s nevus, and Mongolian spots with high safety for darker skin tones.

What Precautions Should Be Taken After A Microneedling Treatment? Expert Guide To Safe Healing And Best Results

Learn essential microneedling aftercare: from infection prevention and cooling techniques to the ideal recovery timeline for glowing, healthy skin.

What Types Of Cooling Systems Are Used In Laser Hair Removal? Ensure Safety And Comfort With Advanced Technology

Explore how Sapphire tips, TEC, and compressor systems in laser hair removal devices protect skin and enhance treatment results.

What Is The Purpose Of Using A Glass Flattening Surface For Skin Images? Ensure High-Precision Laser Hair Removal Data

Learn how glass flattening surfaces standardize optical environments, eliminate shadows, and improve machine learning accuracy in skin imaging.

Why Is The Co2 Fractional Laser Effective For The Treatment Of Mature Facial Scars? Advanced Scars Remodeling Secrets

Learn how CO2 fractional lasers effectively treat mature facial scars through micro-ablation, thermal remodeling, and deep collagen reorganization.

How Does Dermoscopy Assist In The Pre-Treatment Assessment For Laser Therapy Of Macular Amyloidosis? Precision Mapping

Learn how dermoscopy uses 'Hub and Spoke' patterns to map Macular Amyloidosis, ensuring precise laser calibration and targeted treatment results.

How Do Co2 Fractional Laser Systems Compare To Microneedling Therapy For Acne Scar Repair? Results Vs. Risk

Compare CO2 fractional laser and microneedling for acne scars. Learn about efficacy, collagen remodeling, recovery times, and side effect profiles.

How Does A High-Energy Q-Switched Laser System Facilitate Low-Fluence Pigment Removal? (Gpt) - Belis Laser Guide

Learn how high-energy Q-switched lasers enable low-fluence Golden Parameter Therapy (GPT) by inducing apoptosis for safe, scar-free pigment removal.

What Are The Clinical Advantages Of Microscopic Treatment Zones (Mtzs)? Faster Recovery & Enhanced Safety

Learn how MTZs in Fractional CO2 Lasers accelerate healing, reduce PIH risk, and provide deep collagen remodeling compared to traditional lasers.

How Does The Co2 Fractional Laser Process Regulate The Vaginal Micro-Ecological Environment? Restore Natural Balance

Learn how CO2 Fractional Laser intervention stimulates glycogen production and Lactobacillus growth to restore healthy vaginal pH and defenses.

How Does A Co2 Fractional Pulsed Laser System Enhance Drug Penetration? Boost Transdermal Delivery With Cavitation

Learn how CO2 fractional lasers use microbubbles and cavitation to enhance drug penetration while minimizing thermal skin damage for better results.

What Is The Primary Mechanism Of Action For Co2 Fractional Laser Equipment? Transforming Acne Scars With Thermal Repair

Learn how CO2 fractional lasers use epidermal vaporization and thermal injury to stimulate collagen and effectively remodel acne scar tissue.

Why Is Acoustic-Pressure Ultrasound Integration Necessary For Serum Delivery? Boost Absorption By 10X

Learn how acoustic-pressure ultrasound bypasses the skin barrier to deliver bioactive peptides and vitamins for superior clinical results.

What Is The Value Of Using Optical Clearing Agents In Laser Skin Treatments? Maximize Penetration And Patient Safety

Learn how optical clearing agents like glycerol enhance laser penetration, reduce scattering, and protect the skin during aesthetic treatments.

Why Is A Professional Skin Tester Essential For Plastic Surgery? Elevate Pre-Op Precision With Data-Driven Analysis

Discover how professional Skin Testers use multi-spectral imaging to ensure safe, personalized laser and RF treatments through quantitative data.

What Are The Benefits Of Using An 830 Nm Near-Infrared Diode Laser Source For The Reflection Imaging Of Skin Tissue?

Learn how 830 nm NIR lasers provide deep tissue penetration and high-contrast imaging for BCC detection and pigment analysis.

Why Is Precise Irradiance Adjustment Necessary For Professional Lllt? Mastering The Arndt-Schulz Law For Results

Learn why precise power density (5-500 mW/cm²) is critical for LLLT success and how to avoid the risks of under-dosing or cell apoptosis.

What Are The Clinical Advantages Of Using Energy-Based Laser Devices Over Hormone Therapy For Vaginal Atrophy?

Discover why energy-based lasers are a safer, non-hormonal alternative for vaginal atrophy, offering tissue regeneration and functional restoration.

What Are The Technical Advantages Of The Top-Hat Mode In A Q-Switched Nd:yag Laser? Master Melasma Safety And Precision

Discover why Top-hat mode outperforms Gaussian beams in melasma laser toning by providing uniform energy distribution and reducing PIH risk.

What Are The Advantages Of Dermatological Imaging Technologies Over Visual Rating Scales? Gain Objective Clinical Data

Discover how imaging technologies like ultrasound provide objective sub-surface insights for more accurate dermatological assessments and diagnosis.

What Is The Function Of A Single-Mode Pulsed Periodic Co2 Laser? Master Precision In Tissue Ablation

Learn how single-mode pulsed CO2 lasers achieve high-precision tissue ablation with minimal thermal damage and superior surgical control.

How Does The Combined Use Of Topical Eflornithine And Laser Hair Removal Devices Improve The Treatment Of Hypertrichosis?

Discover how combining topical eflornithine with laser therapy accelerates hair reduction through biochemical inhibition and photothermal destruction.

What Is The Primary Mechanism Of Action For The Micro-Ablative Fractional Co2 Laser When Treating Gsm? Cellular Repair

Learn how Micro-ablative Fractional CO2 lasers treat GSM by triggering thermal shock responses, collagen synthesis, and tissue revascularization.

Why Is The Nd:yag Laser Recommended For Facial Warts? Achieve Rapid Clearance With Superior Aesthetic Outcomes

Discover why Nd:YAG laser is the top mono-therapy for facial warts, offering deep penetration, rapid clearance, and zero permanent tissue damage.

How Do Fractional Co2 Laser Channels Benefit Onychomycosis Treatment? Enhance Drug Delivery For Faster Cure

Learn how Fractional CO2 lasers create micro-channels to bypass the nail barrier, boosting antifungal efficacy for onychomycosis.

How Does Laser Hair Removal Impact Hirsutism Patients? Restore Confidence With Clinical-Grade Technology

Discover how professional laser hair removal improves psychological well-being and DLQI scores for patients managing Hirsutism symptoms.

How Does The Biphasic Dose-Effect Relationship Guide Lllt? Master The Science Of Precise Laser Dosing

Understand the Biphasic Dose-Effect Relationship in LLLT to optimize therapeutic efficacy through precise power and timing control.

What Role Does Integrated Contact Cooling Play In Professional Laser Hair Removal Equipment? Maximize Safety And Power

Learn how integrated contact cooling protects the skin, enables higher energy fluence, and ensures patient comfort in laser hair removal.

What Role Does The Long-Pulse Nd:yag Laser Play In Deep Vascular Malformations? Precision Solutions For Deep Lesions

Learn how the 1064nm Long-pulse Nd:YAG laser penetrates deep tissue to coagulate complex vascular malformations and venous lesions effectively.

How Does A Low-Frequency Ultrasound Transducer Affect Skin Structure? Enhance Sonophoresis And Skin Permeability

Learn how cavitation and acoustic waves disrupt the lipid bilayer to enable macromolecule delivery via low-frequency ultrasound transducers.

What Is The Significance Of Using A Digital Facial Wrinkle Analysis System? Transform Clinical Evaluations With Data

Learn how digital facial wrinkle analysis eliminates bias by providing quantitative data on volume, depth, and area for nasolabial fold treatments.

How Do Skin Testing Devices Assist In Identifying Adverse Reactions? Enhancing Hair Loss Treatment Safety Protocols

Learn how advanced skin testing devices use dermoscopy to detect adverse reactions, drug diffusion, and irritation in hair loss interventions.

What Technical Advantages Does Single-Mode Continuous Laser Output Offer? Precision And Power For Biomedical Success

Discover why single-mode lasers excel in biomedical tissue processing with superior beam quality, micron-level accuracy, and clean incision margins.

What Are The Primary Advantages Of Utilizing A Long-Pulse 1064Nm Nd:yag Laser System For Treating Pca?

Discover how long-pulse 1064nm Nd:YAG lasers treat Primary Cicatricial Alopecia by targeting inflammatory loci and preserving the epidermis.

Why Is The Precise Control Of Power And Dwell Time Parameters Essential In Fractional Co2 Laser Treatment Protocols?

Learn why mastering power and dwell time is critical for Fractional CO2 Laser safety, collagen remodeling, and faster patient recovery times.

How Do The Specialized Vaginal Handpiece And Microneedle Matrix Function? Precision Tech For Mucosal Regeneration

Learn how the 64-needle matrix and fractional RF energy work together to bypass surface barriers for precise vaginal tissue rejuvenation and healing.

What Is The Clinical Value Of Video Dermoscopy Scanning For Wart Mapping? Stop Recurrence With Subclinical Detection

Learn how video dermoscopy identifies invisible subclinical warts to ensure complete removal and prevent post-treatment recurrence.

What Are The Technical Advantages Of Using A Large Laser Spot Diameter For Deep Vascular Lesions? Maximize Penetration

Learn how laser spot diameters ≥5mm reduce optical scattering and preserve energy density for effective treatment of deep-seated vascular lesions.

What Role Does Fractional Co2 Laser Play In Treating Androgenetic Alopecia? Boost Hair Growth And Density Fast

Learn how fractional CO2 lasers treat Androgenetic Alopecia by creating micro-channels for drug delivery and stimulating follicle neogenesis.

Why Are 800 Nm Diode And 1064 Nm Lasers Safer For Dark Skin? Expert Insights Into Laser Physics

Learn how 800nm and 1064nm lasers protect dark skin tones by bypassing epidermal melanin to target hair follicles safely and effectively.

Why Is A High-Resolution Skin Tester Necessary For Skin Analysis? Elevate Precision In Your Aesthetic Procedures

Discover why high-resolution skin testers are essential for objective skin analysis, risk management, and data-driven treatment planning.

By What Mechanism Does The Cryogen Spray In A Dynamic Cooling Device Protect The Epidermis? Learn The Physics Of Dcd

Discover how Dynamic Cooling Device (DCD) technology uses evaporative cooling to protect the skin during high-fluence laser hair removal treatments.

Why Is The Introduction Of Ultrasonic Induction Equipment Necessary For The Delivery Of Optical Clearing Agents?

Learn how ultrasonic induction overcomes skin barriers using cavitation to double the penetration depth of optical clearing agents for imaging.

How Does Skin Testing Equipment Assist In Hirsutism Management? Precision Tools For Clinical Efficacy Evaluation

Discover how professional skin analysis equipment uses quantitative data and high-magnification imaging to transform hirsutism diagnosis and care.

What Are The Core Advantages Of The 1064Nm Long-Pulse Nd:yag Laser System For Clinical Hair Removal Across All Skin Tones?

Explore the safety and efficacy of 1064nm Nd:YAG lasers for hair removal, the gold standard for dark skin tones and deep-seated follicles.

What Is The Core Mechanism Of Microneedle Rf Equipment? Deep Tissue Repair For Striae Distensae Treatment

Learn how Microneedle RF uses thermal energy and growth factors like VEGF and FGF to repair stretch marks through deep dermal remodeling.

What Is The Primary Mechanism And Clinical Benefit Of Co2 Fractional Lasers In Burn Scars? Improve Skin Restoration

Learn how CO2 Fractional lasers use fractional photothermolysis to restructure burn scars, improving flexibility, thickness, and patient comfort.

What Role Does High-Resolution Digital Imaging Equipment Play In Assessing Onychomycosis? Unlock Data-Driven Results

Learn how high-resolution imaging provides an objective baseline to track onychomycosis treatment via growth rates and nail plate transparency.

What Role Do High-Precision Skin Testers Play In Ai Cosmetics? Powering Personalization With Data-Driven Science

Learn how high-precision skin testers provide the critical data foundation for AI-driven personalization and hyper-customized cosmetic solutions.

What Is The Primary Role Of Ablative Fractional Co2 Laser Systems? Transform Hypertrophic Scars With Deep Restructuring

Learn how Ablative Fractional CO2 Lasers use microscopic vaporization and collagen remodeling to reduce scar volume and restore skin flexibility.

How Do The Pulse Frequency And Spot Size Settings Of A Medical Co2 Laser Affect The Results Of Xanthelasma Ablation?

Learn how pulse frequency and spot size settings optimize CO2 laser precision and depth for safe, effective Xanthelasma removal.

Why Is The Application Of Saline-Soaked Gauze And Ice Packs Recommended After Microneedling? Optimize Post-Treatment Care

Learn why saline and ice packs are essential after microneedling to reduce swelling, prevent infection, and stop hyperpigmentation for faster healing.

What Is The Significance Of Using Professional Durometry And Colorimetry? Precision In Laser Scar Treatment

Discover why professional durometry and colorimetry are essential for objective, quantifiable results in laser scar treatment evaluation.

What Are The Technical Considerations For Setting A 30 To 40Ms Pulse Width In Akn Laser Therapy? Optimize Treatment

Learn why a 30 to 40ms pulse width is essential for treating Acne Keloidalis Nuchae (AKN) by matching thermal relaxation time for deep destruction.

What Are The Physical Advantages Of Long-Pulse 1064 Nm Nd:yag Laser For Hair Removal On Dark Skin? Safe & Deep Solutions

Learn why 1064 nm Nd:YAG is the gold standard for dark skin hair removal, offering deep penetration and low melanin absorption for maximum safety.

How Does A High-Precision Skin Analyzer Contribute To The Optimization Of Facial Rejuvenation Treatment Parameters? Data

Discover how multispectral skin analysis transforms facial rejuvenation through objective data, improving treatment parameters and patient results.

Why Is An 800-810 Nm Diode Laser Considered More Advantageous Than An Nd:yag Laser For Hair Removal? Discover The Optimal Balance.

Explore why 800-810 nm diode lasers outperform Nd:YAG for hair removal, focusing on melanin absorption, patient comfort, and clinical efficiency.

Why Is Microneedling Equipment Combined With Topical Drug Application For Treating Conditions Like Hair Loss? Boost Results

Learn how combining microneedling with topical drugs enhances absorption and stimulates hair follicle regeneration for superior results.

What Are The Functions Of Medical Cold Spray Machines? Essential Cooling For Post-Acne Treatment Recovery

Learn how medical cold spray machines and cold compress dressings reduce redness, pain, and PIH after severe acne treatments like ALA-PDT.

What Are The Technical Advantages Of The Long-Pulsed 1064-Nm Nd:yag Laser? Safe Hair Removal For Dark Skin

Learn why the 1064-nm Nd:YAG laser is the gold standard for Fitzpatrick IV-VI skin, offering deep penetration and maximum epidermal safety.

What Role Does An Industrial-Grade Laser Hair Removal System Play In Hs? Advanced Clinical Prevention For Clinics

Discover how industrial-grade lasers treat Hidradenitis Suppurativa by disrupting follicular occlusion and inducing remission in mild to moderate cases.

What Technical Advantages Do Non-Ablative Laser Systems Provide In Terms Of Treatment Safety? Ensure Risk-Free Results

Learn how Nd:YAG and Alexandrite lasers ensure safety through epidermal preservation, selective photothermolysis, and reduced downtime.

What Are The Primary Clinical Advantages Of Utilizing Laser Equipment For Vaginal Mucosal Repair? Non-Hormonal Solutions

Explore the clinical benefits of laser equipment vs. HRT for vaginal repair, focusing on safety, efficiency, and non-pharmacological recovery.

What Are The Functions Of The All-Reflecting And Partial-Reflecting Mirrors? Master Laser Resonance And Beam Control

Learn how all-reflecting and partial-reflecting mirrors within an optical cavity amplify light to create high-precision dermatological laser beams.

What Are The Primary Advantages Of Using An Ablative Carbon Dioxide Laser For The Treatment Of Ear Keloids?

Learn how ablative CO2 lasers treat ear keloids through tissue vaporization, collagen remodeling, and laser-assisted drug delivery for better results.

What Are The Hardware-Specific Advantages Of The Q-Switched Nd:yag Laser For Nevus Of Ota? Achieve Deep Dermal Clearance

Learn how the Q-switched Nd:YAG laser uses 1064nm wavelength and nanosecond pulses to safely treat deep dermal lesions like Nevus of Ota.

What Is The Primary Role Of A High-Precision Skin Tester In The Clinical Evaluation Of Acne? Objective Diagnosis Tools

Learn how high-precision Skin Testers provide objective diagnostic data through multi-spectral imaging to enhance acne treatment and scar revision.

What Performance Specifications Must A Vacuum Pump Meet For Pneumatic Skin Flattening? Optimize Analgesia Now

Learn the critical vacuum specs for PSF: discover why 400 mbar pressure and a 0.2s rise time are essential for effective pain shielding.

Why Use Antibiotic Ointments And Sunscreens After Co2 Fractional Laser? Essential Care For Skin Healing

Learn why post-laser consumables are critical for preventing infection and PIH after CO2 Fractional Laser therapy for optimal skin recovery.

What Is The Primary Mechanism Of Action For The Fractional Co2 Laser In Treating Refractory Vitiligo? Key Insights

Learn how Fractional CO2 Lasers use MTZs and transdermal drug delivery to stimulate melanocytes and treat refractory vitiligo effectively.

Why Is Monitoring The Mean Pigmentation Value Important? Enhance Safety & Precision In Laser Skin Treatments

Learn how monitoring mean pigmentation values via multi-spectral analysis prevents PIH and ensures optimal results in laser skin treatments.

Why Are Pulse Width And Spacing Parameters Critical For Fractional Co2? Master Underarm Safety And Precision

Learn why 400μs pulse width and 500μm spacing are vital for Fractional CO2 laser underarm treatments to prevent PIH and ensure patient safety.

Why Is A Computer Pattern Generator Necessary During Co2 Laser Skin Treatments? Achieve Maximum Precision And Safety

Learn how Computer Pattern Generators (CPG) automate CO2 laser precision, prevent thermal damage, and ensure consistent skin resurfacing results.

Why Is A 1.5 Mm Needle Length Used For Facial Refractory Melasma? Expert Insights For Dermal Pigment Removal

Learn why 1.5 mm needle depth is essential for treating refractory melasma by targeting deep dermal melanin and triggering skin remodeling.

Why Is Selecting Specific Needle Lengths For Microneedling Devices Critical? Optimize Results For Every Skin Condition

Learn why choosing the right microneedling depth (0.5mm-2mm) is vital for treating aging, wrinkles, and deep scarring effectively.

How Is The 10X10 Array Fractional Handpiece Utilized For Acne Scar Treatment? Clinical Painting Mode Guide

Learn clinical techniques for 10x10 array fractional handpieces, including painting mode and cross-hatching to optimize acne scar remodeling.

What Role Does The Long-Pulse Nd:yag Laser (1,064 Nm) Play In Hair Removal For Dark Skin? Safe & Effective Solutions

Discover why the 1,064 nm Nd:YAG laser is the gold standard for safe hair removal on Fitzpatrick IV-VI and tanned skin types.

Why Is A Professional-Grade Fractional Co2 Laser System Critical For Age Spots? Advanced Ablative Treatment Explained

Learn how professional-grade Fractional CO2 Lasers treat age spots by targeting epidermal thickening and lipofuscin through thermal ablation.

What Is The Primary Function Of The Fractional Co2 Laser In The Treatment Of Onychomycosis? Boost Drug Penetration

Learn how Fractional CO2 Lasers create micro-channels in the nail to bypass physical barriers and maximize the efficacy of antifungal treatments.

Why Does A Professional Vaginal Laser Probe Require 360-Degree Rotation? Ensure Safety And Uniform Tissue Remodeling

Learn why 360-degree rotation and multiple scan passes are vital for uniform thermal coverage, safety, and superior results in vaginal rejuvenation.

What Role Does Medical Skin Repair Ointment Play Post-Laser? Ensure Rapid Recovery & Prevent Scarring

Learn why medical-grade repair ointments are vital post-laser to stop water loss, prevent infection, and accelerate skin cell migration for results.

How Does The Adjustable Striking Frequency Of A Microneedling Device Influence Clinical Outcomes? Mastering Precision

Learn how adjustable striking frequency in microneedling prevents tissue trauma and ensures uniform collagen induction for superior clinical results.

Why Is Q-Switched Technology Essential For The Selective Removal Of Dermal Melanin? Precision Pigment Shattering

Learn how Q-switched laser technology uses nanosecond pulses and the photoacoustic effect to safely shatter dermal melanin without heat damage.

Why Is The Use Of High-Precision Skin Testers Essential Before Laser Or Rf? Ensure Safety And Precision

Discover why high-precision skin testers are critical for measuring dermal thickness and melanin to ensure safe, effective laser and RF treatments.

How Does The Power Setting Of A Fractionated Co2 Laser Affect Scar Vaporization? Optimize Your Clinic's Scar Treatments

Learn how CO2 laser power settings control tissue ablation depth, energy density, and remodeling efficacy for superior scar treatment results.

How Does Skin Sebum Content Affect The Performance Of Skin Diagnostic Imaging Systems? Overcoming Spectral Distortion

Learn how skin sebum impacts imaging accuracy by altering light reflection in the 590-720 nm range, affecting CRI and diagnostic data integrity.

Why Is Fractional Laser Therapy And Ha Injection Superior For Scleroderma? Synergistic Structural Skin Restoration

Learn why combining fractional CO2 lasers with HA fillers offers superior results for scleroderma by treating both surface fibrosis and deep atrophy.

What Are The Advantages Of Ld Pumping Vs Lamp Pumping? Unlock Compact Efficiency For Medical Lasers

Learn how semiconductor laser diode (LD) pumping enables miniaturization, 70%+ efficiency, and superior thermal control in medical laser designs.

What Is The Mechanism Of Action For Co2 Laser Ablation In Treating Facial Angiofibromas? Precision Vaporization Explained

Learn how 10,600nm CO2 lasers treat facial angiofibromas through selective photothermal vaporization and thermal coagulation for bloodless removal.