What Role Do Topical Depigmenting Agents Play For Pih After Co2 Laser? Clear Discoloration & Master Post-Laser Recovery

Learn how topical depigmenting agents suppress melanocytes and accelerate pigment metabolism to manage PIH after CO2 fractional laser treatments.

How Has Magnetic Resonance Imaging (Mri) Been Used To Evaluate Laser Lipolysis? Scientific Proof Of 17% Fat Reduction

Learn how MRI technology objectively validates laser lipolysis efficacy, documenting a 17% reduction in fat volume and improved skin retraction.

Can 808Nm Diode Lasers Effectively Treat Blonde Or Gray Hair? Understanding Melanin Requirements

Learn why 808nm diode lasers require melanin to work and why they are ineffective for blonde, gray, or red hair types.

What Are The Secondary Biological Effects Of Laser Therapy? Transform Light Into Tissue Healing

Learn how laser therapy triggers ATP synthesis, cell proliferation, and structural regeneration for effective medical aesthetic treatments.

How Do The Pulse Energies Of Active And Passive Q-Switched Lasers Compare? Maximize Your Aesthetic Results

Learn why active Q-switched lasers deliver higher pulse energy than passive systems and how to choose the right technology for your clinic.

How Does A Hydrafacial Compare To Other Treatments? Discover The Ultimate Guide To Skin Resurfacing Excellence

Compare HydraFacial, chemical peels, and microdermabrasion. Learn which treatment offers the best hydration and results for sensitive skin.

How Is The Skin Treatment Adapted For Sensitive Skin? Gentle Solutions For Radiant Results

Learn how sensitive skin treatments use vacuum technology and anti-inflammatory serums to achieve deep cleaning without irritation or redness.

How Was The Effect Of Lasers On Hair Growth First Discovered? The Accidental History Of Laser Hair Therapy

Learn how the serendipitous discovery of low-level laser therapy (LLLT) in 1960s mice experiments revolutionized modern hair regrowth technology.

What Are The Advantages Of A Contact Laser Compared To A Non-Contact Laser? Maximize Energy And Speed Recovery

Learn how contact lasers minimize light scatter and maximize tissue penetration for more efficient, targeted, and faster therapeutic treatments.

What Is The Recommended Aftercare For Shr Laser Hair Removal? Expert Tips For Smooth, Irritation-Free Skin

Learn the essential SHR aftercare steps: avoid heat for 24 hours, use SPF 50+, and master the exfoliation timeline for professional results.

What Is The Typical Recovery Process After Laser Lipolysis? Quick Healing Guide For Optimal Body Contouring Results

Learn about the laser lipolysis recovery timeline, from immediate post-procedure care to the 8-week biological fat flushing process.

What Is The Principle Of Hair Removal Using An 808Nm Diode Laser? Master Selective Photothermolysis For Smooth Skin

Learn how the 808nm diode laser uses selective photothermolysis to target melanin and destroy hair follicles for permanent reduction results.

How Do Long-Pulse Nd:yag And Diode Lasers Achieve Safe Hair Removal? Master Selective Photothermolysis For Success

Learn how long-pulse Nd:YAG and diode lasers use Thermal Relaxation Time (TRT) to destroy hair follicles while protecting the epidermis.

What Role Does 20% Zinc Oxide Ointment Play In Laser Hair Removal Care? Protect And Heal Your Skin Effectively

Learn how 20% Zinc Oxide ointment acts as a protective barrier and anti-inflammatory agent to accelerate recovery after laser hair removal.

What Is The Mechanism Of Action For Lllt In Hair Loss? Science Behind Photobiomodulation And Hair Growth

Understand how Low-Level Laser Therapy (LLLT) uses photobiomodulation to stimulate ATP, enhance blood flow, and reverse hair follicle miniaturization.

Why Is Double Ablation Followed By Saline Cleaning Used In Co2 Laser For Leishmaniasis? Maximize Parasite Elimination

Learn how the double ablation technique and saline cleaning optimize CO2 fractional laser penetration to treat cutaneous leishmaniasis effectively.

Why Is Electro-Optic Q-Switching Technology Essential For Achieving The Photoacoustic Effect In Fine Hair Removal? Key Insights

Learn how Electro-Optic Q-switching enables the photoacoustic effect to destroy fine hair. Discover why mechanical shockwaves outperform heat alone.

What Is The Clinical Rationale For Starting Laser Hair Removal Treatment Two Weeks After Pilonidal Disease Excision?

Learn why the 2-week post-op window is critical for laser hair removal to ensure wound stability and prevent pilonidal disease recurrence.

What Is The Primary Role Of Melanin In Laser Hair Removal? Master The Science Of Energy Conversion

Learn how melanin acts as a chromophore to convert laser light into heat, effectively destroying follicles for permanent hair reduction.

Why Apply Pressure With A Sapphire Diode Laser? Maximize Hair Removal Efficacy With The 'Blood Squeeze' Effect

Learn why physical pressure is critical for sapphire-window diode lasers to enhance energy flux by 3-7% and optimize cooling efficiency.

Why Does Co2 Fractional Laser Technology Offer A Higher Safety Profile For Isotretinoin Users? Safer Healing Explained

Learn how CO2 Fractional Lasers use fractional photothermolysis to ensure safe healing for Isotretinoin users by preserving skin reservoirs.

What Role Does A 4Ms Pulse Width Play In Laser Hair Removal? Master Thermal Containment For Precision Results

Learn how 4ms pulse widths utilize Thermal Relaxation Time (TRT) for selective photothermolysis, ensuring efficient hair removal and skin safety.

What Is The Primary Function Of A Fractional Co2 Laser System In Vaginal Reconstruction? Enhance Tissue Repair & Health

Learn how fractional CO2 lasers promote bio-stimulation, neocollagen, and tissue thickness to improve surgical outcomes and reduce mesh erosion.

What Is The Function Of The Integrated Cold Sapphire Contact Cooling Tip? Advanced Safety For Diode Laser Hair Removal

Learn how sapphire contact cooling tips protect the skin, reduce pain, and enable higher energy for effective diode laser hair removal treatments.

How Does Professional-Grade Light Therapy Contribute To The Combined Treatment Of Melasma? Expert Insights

Learn how professional light therapy inhibits melanocytes and stabilizes the skin environment to enhance melasma treatment protocols.

How Does The Ablative Probe Of A Fractional Co2 Laser Repair Eyelid Wrinkles? Advanced Resurfacing Insights

Learn how Fractional CO2 Laser probes use epidermal ablation and dermal heating to eliminate lower eyelid wrinkles and stimulate new collagen.

Why Is Ablative Co2 Fractional Laser Preferred For Pdt Pretreatment? Maximize Drug Penetration & Clinical Results

Learn why Ablative CO2 Fractional Laser is superior to scraping for PDT pretreatment, offering deeper drug delivery and stable coagulation.

How To Reduce Photosensitizer Incubation To 70 Minutes With Ablative Co2 Fractional Laser And Pdt?

Learn how Ablative CO2 Fractional Laser creates micro-channels to bypass the skin barrier, reducing PDT incubation time by over 60%.

Why Is Fractional Technology Used In Co2 And Erbium Lasers? Balance Safety And Results In Laser Resurfacing

Discover how fractional technology improves laser safety and speeds recovery by creating microscopic treatment zones for superior skin results.

Why Is Precise Adjustment Of Pulse Energy And Stack Layers Critical During Co2 Fractional Laser Vaginal Treatments?

Learn why calibrating CO2 laser pulse energy (90-120 mJ) and stacking is vital for safe vaginal rejuvenation and preventing organ injury.

What Is The Mechanism Of Fractional Co2 Laser Systems In Vitiligo? Boost Repigmentation With Advanced Mtz Technology

Learn how Fractional CO2 lasers treat vitiligo by creating Micro-Thermal Zones to stimulate melanocyte migration and enhance drug penetration.

Why Is Alcohol Degreasing An Essential Preparation Step Prior To Fractional Co2 Laser Surgery? Ensure Precise Ablation

Learn why alcohol degreasing is critical for fractional CO2 laser success, ensuring uniform energy absorption and predictable penetration depth.

What Are The Advantages Of Using Micro-Hole Ablation For Keloids? Discover A Non-Invasive Path To Scar-Free Results

Learn why micro-hole ablation outperforms traditional surgery for ear keloids by reducing recurrence and avoiding secondary tissue trauma.

How Does Zero-Degree Contact Cooling Technology In Diode Laser Handpieces Ensure Safety? Enhanced Facial Hair Removal

Learn how zero-degree contact cooling protects skin and prevents burns during facial hair removal while maintaining high diode laser efficacy.

What Is The Clinical Value Of Laser Or Ipl For Pilonidal Sinus? Enhancing Recovery And Preventing Recurrence

Discover how laser and IPL therapy treat Pilonidal Sinus by targeting deep-seated follicles and promoting post-operative wound healing.

What Is The Primary Mechanism Of Action For Medical-Grade Fractional Co2 Laser? Advanced Atrophic Scar Repair Explained

Learn how Fractional CO2 lasers use fractional photothermolysis and MTZs to repair atrophic scars through collagen remodeling and dermal volume.

What Is The Function Of Standardized High-Resolution Imaging Systems? Quantify Results In Fractional Co2 Treatments

Learn how high-resolution imaging systems provide objective data and standardized assessment for Fractional CO2 Laser treatment efficacy.

How Do Different Beam Profiles Affect 810Nm Lllt Efficacy? Optimize Deep Tissue Penetration With Fractional Arrays

Learn how beam profiles influence 810nm LLLT for deep targets. Discover why multi-source arrays outperform single-point lasers in overcoming scattering.

What Technical Advantages Do Semiconductor Diode Lasers Provide For Wound Healing? Boost Clinical Power & Efficiency

Discover why high-power diode lasers outperform HeNe systems in wound healing through superior power, efficiency, and wavelength flexibility.

What Are The Clinical Advantages Of Using The Long-Pulse Nd:yag Laser For Managing Hs? Achieve 65% Severity Reduction

Discover how Long-pulse Nd:YAG lasers treat Hidradenitis Suppurativa by targeting follicles, reducing inflammation, and halting disease progression.

What Is The Function Of Transparent Optical Coupling Gel In Laser Hair Removal? Ensure Safety And Maximize Energy

Learn why optical coupling gel is essential for laser hair removal efficiency, including refractive index matching and thermal skin protection.

What Is The Function Of The Fractional Erbium Laser In Transdermal Drug Delivery? Master Advanced Skin Penetration

Learn how Fractional Erbium Lasers create microchannels to bypass the skin barrier, enhancing large-molecule drug absorption and treatment speed.

What Is The Physical Mechanism Of Ablative Fractional Lasers? Discover How Co2 And Erbium Lasers Remodel Scar Tissue

Learn how ablative fractional lasers like CO2 and Erbium:YAG use Micro-Thermal Zones and collagen remodeling to effectively improve and heal scars.

What Are The Core Technical Advantages Of Co2 Laser Vaporization For Hs? Precision & Faster Recovery For Clinics

Learn how CO2 laser vaporization optimizes HS treatment through precision ablation, bloodless surgery, and superior healing for better patient care.

How Do Red Light And Amber Light Led Devices Function In Facial Rejuvenation Phototherapy? Boost Skin Repair & Hydration

Learn how Red and Amber Light LED therapy use photobiomodulation to stimulate collagen, accelerate cell turnover, and rejuvenate skin from within.

Does Ipl Hair Removal Actually Work? Achieve Long-Term Hair Reduction

Discover how IPL technology provides permanent hair reduction for suitable skin and hair types. Learn the science, benefits, and limitations.

What Are The Clinical Advantages Of Using A Large Treatment Spot Size? Boost Laser Efficiency & Depth

Learn how large laser spot sizes (22x35mm) enhance hair removal via deeper penetration, reduced scattering, and faster clinical workflows.

Why Must The Co2 Laser Handpiece Be Held Perpendicular To The Xanthelasma Lesion? Ensure Clinical Precision And Safety

Learn why a 90-degree angle is vital for CO2 laser treatments of Xanthelasma to maximize energy efficiency and prevent thermal damage.

How Do Highly Controllable Laser Systems Support Scientific Validity? Key Methods For Reliable Clinical Studies

Learn how advanced laser systems use sham and double-blind modes to ensure scientific validity and eliminate bias in clinical research.

How Does The Fractional Co2 Laser System Promote Vaginal Tissue Regeneration? Advanced Gsm Treatment Explained

Understand how Fractional CO2 Laser technology uses controlled thermal injury to trigger collagen synthesis and restore vaginal health in GSM patients.

What Clinical Advantages Do Laser Handpieces With Integrated Robotic Scanning Offer? Enhanced Precision And Safety

Learn how robotic laser scanning outperforms manual operation by ensuring uniform heat distribution, reducing pain, and preventing scarring.

How Does The High-Energy Fractional Co2 Laser System Function In Treating Gsm? Restore Health With Belis Technology

Learn how fractional CO2 lasers treat GSM by stimulating collagen, restoring vaginal thickness, and improving lubrication through thermal physics.

How Do The Procedural Requirements Of Fractional Co2 Laser Compare To Vaginal Estrogen? Professional Treatment Guide

Compare episodic fractional CO2 laser therapy vs. daily estrogen suppositories. Learn about frequency, compliance, and long-term efficacy benefits.

What Are The Safety Advantages Of Using A 2 Mm Small Spot Handpiece During Eyelash Laser Surgery? Expert Safety Insights

Learn how the 2mm Small Spot Handpiece enhances safety in eyelash laser surgery through extreme precision and reduced intraocular scatter risks.

How Often Should You Do Shr? Achieve Permanent Hair Reduction With A Monthly Schedule

Discover why a monthly schedule is critical for SHR effectiveness, aligning with hair growth cycles for optimal results and skin safety.

What Happens If You Use Ipl Too Frequently? Avoid Burns And Pigmentation Damage

Overusing IPL can cause burns, blisters, and permanent pigmentation changes. Learn the safe treatment schedule for effective hair removal.

Why Is 2% Lidocaine Gel Applied Prior To A Fractional Co2 Laser Nail Treatment? Ensuring Painless & Effective Care

Learn why 2% lidocaine gel is essential for Fractional CO2 Laser nail treatments to minimize pain, improve tolerance, and enable high-energy pulses.

What Technical Principle Allows An 800Nm Diode Laser For Hair Removal In Hyperhidrosis Treatment? Precise Hair Removal

Learn how selective photothermolysis allows 800nm Diode Lasers to remove hair precisely without damaging sweat glands in combined protocols.

How Does Co2 Fractional Laser Equipment Physically Intervene To Improve Dyspareunia Symptoms? Restore Vaginal Vitality

Learn how CO2 fractional laser technology uses thermal energy to stimulate collagen and restore tissue health to treat postmenopausal dyspareunia.

Why Is The Laser Stacking Technique Utilized For Treating Severe Scars Over 5Mm? Deep Tissue Remodeling Explained

Learn how laser stacking overcomes dense fibrous barriers to treat scars thicker than 5mm through deep tissue penetration and collagen remodeling.

What Is The Core Mechanism Of Action For The Long-Pulse 1064Nm Nd:yag Laser In Eliminating Fungi? How It Kills Fungi.

Learn how long-pulse 1064nm Nd:YAG lasers eliminate fungi via photothermal induction, ROS production, and apoptosis for deep-seated infections.

Why Is Scanning System Thermal Control Critical For Co2 Laser Treatment Of Eyelid Milia? Ensure Safe Eyelid Remodeling

Learn how the scanning system prevents thermal injury and scarring when treating eyelid Milia En Plaque with CO2 fractional laser technology.

How Does The 10600 Nm Co2 Fractional Laser Promote Hair Regeneration? Unlock Growth With Advanced Mtz Technology

Learn how the 10600 nm CO2 fractional laser triggers hair follicle stem cells through Microscopic Thermal Zones to reverse hair loss effectively.

What Are The Core Functions Of Cooling Systems In Laser Hair Removal? Ensure Safety And Maximize Treatment Results

Learn how integrated cooling systems protect the skin, reduce pain, and enable higher energy levels for superior laser hair removal outcomes.

How Do Lllt Devices Contribute To The Combination Treatment Of Fphl? Boost Hair Density With Synergistic Therapy

Learn how Low-Level Laser Therapy (LLLT) and topical treatments work together to stimulate follicles and maximize hair density for FPHL recovery.

What Are The Primary Functions And Advantages Of Co2 Laser Equipment For Skin Cysts? Achieve Precision And Minimal Scarring

Learn how CO2 laser equipment provides precise vaporization and hemostasis for treating skin cystic lesions with minimal trauma and faster healing.

What Are The Advantages Of In-Motion Operation Technology In Laser Handpieces? Boost Efficiency And Patient Comfort

Learn how in-motion laser technology offers faster treatments, superior safety, and a painless experience compared to fixed-spot delivery.

What Is The Primary Mechanism Of A Fractional Co2 Laser System In Sui Treatment? Restore Pelvic Health Naturally

Learn how fractional CO2 lasers treat Stress Urinary Incontinence (SUI) through thermal stimulation, collagen regeneration, and tissue remodeling.

What Role Do Dual-Wavelength Laser Systems Play In Pilonidal Sinus Disease? Prevent Recurrence With 755Nm & 1064Nm

Learn how 755nm/1064nm laser systems prevent Pilonidal sinus recurrence by eliminating hair follicles and reducing inflammation across skin types.

What Is The Primary Function Of The Long-Pulse 1064 Nm Nd:yag Laser? Safe And Deep Hair Removal For Darker Skin Tones

Learn how the 1064 nm Nd:YAG laser safely targets deep hair follicles in dark skin types through selective photothermolysis and high penetration.

How Do Fractional Co2 Laser Systems Enhance Drug Penetration? Unlock Superior Ladd Results For Your Clinic

Learn how fractional CO2 lasers create micro-channels to bypass the skin barrier, boosting drug bioavailability and treatment depth for LADD.

Why Is Medical-Grade Protective Eyewear Indispensable In Laser Operations? Key Safety Insights For Clinics

Learn why medical-grade eyewear is vital for laser safety, covering OD values, retinal protection, and preventing photochemical damage.

Why Use Topical Melanin For Asian Laser Hair Removal? Enhance Nd:yag Efficacy For Fine Hair And Darker Skin Tones

Learn how liposome-encapsulated melanin enables Nd:YAG lasers to safely and effectively target fine hair in Asian skin types.

Why Use Lidocaine For Nd:yag Laser Hair Removal? Enhance Patient Comfort And Clinical Results

Learn why topical anesthetic is crucial for long-pulse Nd:YAG underarm hair removal to manage heat, ensure safety, and maximize treatment efficacy.

Why Is The Combination Of Fractional Co2 Laser And 1540 Nm Laser Recommended For Sui? Discover The Dual-Wavelength Power

Learn how combining CO2 and 1540nm lasers creates a synergistic effect for SUI treatment, enhancing collagen and urethral support.

What Are The Technical Advantages Of Using Sequential Emission Technology? Elevate Laser Precision & Safety

Learn how sequential emission technology optimizes thermal conduction and reduces energy doses for safer, more efficient aesthetic treatments.

How Is The Carbon Dioxide (Co2) Laser Utilized In Treating Mucosal Lesions? Discover High-Precision Healing Solutions

Learn how the CO2 laser treats mucosal lesions and scars through precise photoablation, hemostasis, and advanced collagen remodeling techniques.

What Is The Primary Objective Of The Pulse Stacking Technique During Nd:yag Laser Hair Removal? Maximize Results Now

Learn how pulse stacking in Nd:YAG laser hair removal builds cumulative thermal energy to destroy resistant follicles and improve clinical success.

How Is The Goodman And Baron Qualitative Grading System Utilized In Co2 Fractional Laser? Master Clinical Scar Scoring

Learn how the Goodman and Baron grading system optimizes CO2 Fractional Laser treatments through objective scar assessment and efficacy tracking.

How Does The Use Of High-Precision Rotating Probes Influence Oab Treatment Outcomes? Ensure 360° Precision & Safety

Learn how high-precision rotating probes standardize laser energy distribution to improve OAB outcomes and ensure patient safety.

Why Is A Large Spot Size Used For Pilonidal Sinus Laser Hair Removal? Achieve Deep Penetration For Lasting Results

Learn how 12-18mm spot sizes ensure deep tissue penetration and reduce recurrence in post-operative Pilonidal Sinus laser hair removal treatments.

What Is The Significance Of Applying A Cold Compress After Carbon Laser Treatment? Protect Skin And Prevent Pih

Learn why cold compresses are vital after carbon laser treatment to neutralize residual heat, reduce inflammation, and prevent hyperpigmentation.

Why Is Skin Shaving Required Before Starting A Long-Pulse Ruby Laser Hair Removal Procedure? Ensure Safety & Efficacy

Learn why shaving is essential for long-pulse ruby laser treatments to prevent surface burns and maximize energy delivery to the hair follicle.

Why Is The 800Nm Wavelength Selected For Long-Pulse Diode Laser Hair Removal? The Gold Standard For Professional Results

Learn why the 800nm wavelength is the optical sweet spot for diode laser hair removal, balancing deep penetration with maximum epidermal safety.

How Does The Technical Logic Of Multipass Moving Laser Technology Differ From Traditional Single-Pulse Laser Delivery?

Explore the shift from high-energy bursts to cumulative heating in laser hair removal for enhanced safety and patient comfort.

Why Is It Mandatory To Use Eye Protection During Fractional Laser Operations? Essential Ocular Safety Standards

Learn why eye protection is critical in Fractional laser treatments to prevent thermal damage, retinal injury, and permanent vision loss.

How Does The Integrated Sapphire Cooling Head In Diode Laser Systems Contribute To Safety? Expert Guide To Skin Protection

Learn how sapphire cooling technology protects the epidermis, prevents burns, and enables safe hair removal for all skin types in diode systems.

How Do Scanning Modes Influence Fractional Co2 Laser Strategies? Optimize Deep Scan For Superior Scar Remodeling

Learn how scanning modes like deep scan control ablation geometry and pulse width to effectively treat hypertrophic scars and remodel collagen.

What Are The Design Advantages Of The 360-Degree Annular Probe? Master Precision Co2 Laser Vaginal Treatments

Learn how 360-degree annular probes in CO2 fractional lasers ensure uniform thermal distribution for safer, faster, and more effective treatments.

What Is The Core Mechanism Of The 810Nm Diode Laser? Master Selective Photothermolysis For Facial Hair Removal

Learn how 810nm Diode Lasers use selective photothermolysis to destroy hair follicles at the root while protecting the skin for effective reduction.

What Is The Technical Mechanism Of A Professional Intra-Vaginal Handpiece? Engineering Precision For Mucosal Remodeling

Learn how intra-vaginal laser handpieces use fractional energy, 360° rotation, and controlled density (4-5%) for safe and effective tissue remodeling.

What Is The Technical Principle Behind High-Power Laser Hair Removal? Master Selective Photothermolysis For Hirsutism

Understand how selective photothermolysis and melanin targeting in high-power laser systems effectively treat hirsutism and permanent hair reduction.

What Is The Rationale For Choosing The Long-Pulsed 1064Nm Laser For Resistant Pws? Deep Vascular Solutions

Learn why Long-pulsed 1064nm lasers are essential for resistant Port Wine Stains, targeting deep dermal vessels with superior thermal coagulation.

How Does The Medical-Grade Fractional Co2 Laser System Assist In Treating Stress Urinary Incontinence (Sui)?

Learn how fractional CO2 lasers treat SUI via collagen remodeling, strengthening vaginal walls to restore urinary control without invasive surgery.

What Role Does The Dwell Time Parameter Play In The Scar Remodeling Process? Control Ablation Depth For Better Results

Learn how dwell time controls ablation depth, balances thermal safety, and stimulates collagen for effective CO2 laser scar remodeling.

What Is The Purpose Of Prophylactic Antivirals And Corticosteroids In Co2 Laser Treatments? Ensure Safe Skin Recovery

Learn why antivirals and corticosteroids are critical for preventing HSV reactivation and PIH during CO2 fractional laser skin resurfacing.

Why Are Multiple Sessions Required For Laser Biostimulation? Unlock Cumulative Healing And Nerve Repair Efficiency

Learn why nerve repair and axonal growth require a series of laser biostimulation sessions to maintain mitochondrial activity and healing momentum.

What Role Does Smart Stack Pulse Stacking Technology Play In Fractional Co2 Laser Systems? Elevate Vaginal Care Safety

Learn how Smart Stack pulse stacking technology enhances fractional CO2 laser treatments for vaginal atrophy through deep collagen stimulation.

Why Does Postpartum Pelvic Floor Repair Involve Multiple Co2 Laser Sessions? Discover The Science Of Tissue Recovery

Learn why a 3-session protocol and 4-week intervals are essential for postpartum pelvic floor repair using fractional CO2 laser technology.

What Are The Differences In Tissue Interaction Between Deep Pulse (D-Pulse) And Surface Pulse (S-Pulse)?

Understand the differences between D-Pulse and S-Pulse in laser eyelid treatments, focusing on coagulation, contraction, and penetration depth.