Laser Toning in Korea: Complete Guide to Prices, Benefits & Results 2025

If you're struggling with stubborn pigmentation, uneven skin tone, or persistent melasma, laser toning has likely appeared on your radar. This gentle yet effective laser treatment has become one of Korea's most popular and accessible skin treatments, offering progressive brightening and tone correction without the aggressive downtime of traditional lasers.

With treatment costs ranging from just $55 to $95 per session and a remarkable 4.7/5 patient satisfaction rating, laser toning represents exceptional value in Korea's competitive aesthetic market. But what makes this treatment so effective? And why has Seoul become the global destination for advanced laser technology?

This comprehensive guide covers everything you need to know about laser toning in Korea—from the technology behind it to realistic treatment schedules, pricing breakdowns, and what results you can actually expect.

What is Laser Toning?

Laser toning is a non-ablative laser treatment that uses low-fluence (low-energy) Q-switched Nd:YAG laser pulses to gradually break down excess melanin (pigment) in the skin. Unlike aggressive ablative lasers that remove the skin's surface layer, laser toning works gently and progressively, making it ideal for treating pigmentation issues without significant downtime.

Think of it as a "gentle giant"—powerful enough to address deep pigmentation but gentle enough for regular maintenance treatments without disrupting your daily life.

How Laser Toning Works

The Technology:

Laser toning uses a 1064nm wavelength Q-switched Nd:YAG laser delivered at low fluence (energy) in multiple rapid pulses. This specific wavelength:

• Penetrates deep into the dermis (middle skin layer)
• Targets melanin pigment specifically
• Breaks down pigment into tiny particles
• Allows body to naturally eliminate pigment
• Stimulates collagen production as a bonus

The Treatment Process:

When the laser energy is absorbed by melanin particles:

1. Pigment fragmentation: Melanin breaks into microscopic particles
2. Phagocytosis: Immune cells engulf and remove pigment fragments
3. Gradual clearance: Body eliminates pigment through lymphatic system
4. Progressive lightening: Skin tone evens and brightens over multiple sessions
5. Collagen stimulation: Mild thermal effect triggers collagen remodeling

This gradual approach is what makes laser toning safe for all skin types, including darker Asian skin tones that are prone to post-inflammatory hyperpigmentation (PIH) with more aggressive treatments.

Laser Toning vs. Traditional Laser Treatments

Traditional Ablative Lasers (CO2, Erbium):

• Remove surface skin layer
• Significant downtime (7-14 days)
• Risk of PIH in darker skin
• Dramatic results but higher risk

Laser Toning:

• No surface damage
• Minimal to zero downtime
• Safe for all skin types
• Progressive, cumulative results
• Lower risk profile

Benefits of Laser Toning

Primary Effects

Pigmentation Reduction:

• Melasma improvement (most common use)
• Age spots and sun damage
• Post-inflammatory hyperpigmentation
• Freckles and lentigines
• Overall tone evening

Skin Brightening:

• Gradual lightening effect
• Enhanced radiance and glow
• Reduced dullness
• More even complexion

Skin Quality Improvements:

• Pore size reduction
• Fine line softening
• Improved texture
• Enhanced skin clarity
• Subtle tightening effect

Why It's Popular in Korea

Accessibility:

• Affordable pricing (₩70,000-120,000 per session)
• Available at most dermatology clinics
• No appointment scarcity

Minimal Disruption:

• Zero to minimal downtime
• Return to work immediately
• No visible peeling or crusting
• Can wear makeup same day

Safe for Asian Skin:

• Specifically refined for darker skin tones
• Low PIH risk compared to aggressive lasers
• Gentle, progressive approach

Cumulative Results:

• Progressive improvement
• Natural-looking brightening
• Long-term benefits with maintenance

Cultural Acceptance:

• Regular laser treatments normalized
• Part of standard skincare routine
• No stigma or secrecy

Laser Toning Prices in Korea 2025

One of the most attractive aspects of laser toning in Korea is the affordable pricing compared to Western countries.

Per Session Pricing (2025)

Standard pricing range:

• Budget clinics: ₩70,000 - ₩90,000 ($55 - $70)
• Mid-range clinics: ₩90,000 - ₩120,000 ($70 - $95)
• Premium clinics: ₩120,000 - ₩150,000 ($95 - $115)

Promotional pricing:

• First-time patient specials: ₩39,000 - ₩50,000 ($30 - $40)
• Event pricing: As low as ₩29,900 ($23)

Average cost per session: ₩100,000 ($75)

Package Pricing (Recommended)

Since multiple sessions are essential for results, package deals offer significant savings:

5-session package:

• Budget: ₩300,000 - ₩400,000 ($230 - $310)
• Mid-range: ₩400,000 - ₩500,000 ($310 - $385)
• Premium: ₩500,000 - ₩600,000 ($385 - $460)
• Savings: 15-25% vs. individual sessions

10-session package:

• Budget: ₩500,000 - ₩700,000 ($385 - $540)
• Mid-range: ₩700,000 - ₩900,000 ($540 - $690)
• Premium: ₩900,000 - ₩1,200,000 ($690 - $920)
• Savings: 20-30% vs. individual sessions

Average 10-session package: ₩700,000 ($540) = ₩70,000 ($54) per session

Seoul Regional Pricing

Gangnam District:

• Per session: ₩100,000 - ₩150,000 ($75 - $115)
• 10-session package: ₩800,000 - ₩1,200,000 ($615 - $920)
• Premium equipment and service

Apgujeong:

• Per session: ₩90,000 - ₩130,000 ($70 - $100)
• 10-session package: ₩700,000 - ₩1,000,000 ($540 - $770)
• High-end clinics with celebrity clients

Myeongdong:

• Per session: ₩80,000 - ₩110,000 ($60 - $85)
• 10-session package: ₩600,000 - ₩900,000 ($460 - $690)
• Tourist-friendly, competitive pricing

Hongdae/Sinchon:

• Per session: ₩70,000 - ₩100,000 ($55 - $75)
• 10-session package: ₩500,000 - ₩800,000 ($385 - $615)
• Best value, student-friendly

What Affects Laser Toning Pricing?

Laser device:

• Older Q-switched Nd:YAG models: Lower cost
• Latest generation equipment (PTP mode, etc.): Premium pricing
• Brand name devices (Revlite, Spectra, etc.): Mid to high range

Treatment area:

• Full face: Standard pricing above
• Partial face (cheeks only, forehead only): 50-70% of full face price
• Face + neck: Add ₩30,000-50,000
• Spot treatment: ₩30,000-50,000

Clinic location and reputation:

• Gangnam premium: +30-50%
• Celebrity doctor: +20-40%
• Medical tourism focused: Competitive, transparent pricing

Included extras:

• Basic treatment only: Base price
• With cooling mask: Add ₩10,000-20,000
• With vitamin C serum or other boosters: Add ₩20,000-40,000

Price Comparison: Korea vs. Other Countries

Korea: $55-$95 per session United States: $150-$350 per session United Kingdom: £100-£250 ($125-$310) per session Australia: AUD $150-$300 ($100-$200) per session Singapore: SGD $150-$300 ($110-$220) per session

Korea offers 40-70% savings compared to Western countries and other Asian hubs.

Prices as of November 2025. Confirm current pricing at consultation.

Expected Results and Timeline

Realistic Expectations

Important to understand: Laser toning is not an instant fix. Results are progressive and cumulative, requiring patience and consistency.

After 1 session:

• Minimal visible change
• Slight immediate glow (temporary)
• No dramatic transformation
• Skin may look slightly brighter for 24-48 hours

After 2-3 sessions:

• This is when most people start noticing difference
• Subtle but perceptible brightening
• Slight tone evening
• Skin looks fresher
• Friends may comment you look well-rested

After 5-6 sessions:

• Noticeable improvement in pigmentation
• More even skin tone
• Reduced appearance of melasma or spots
• Enhanced overall radiance
• Before/after photos show clear difference

After 8-10 sessions:

• Optimal results achieved
• Significant tone improvement
• Maximum pigmentation reduction (typically 40-70% improvement)
• Maintained results with continued care
• Natural-looking, healthy brightness

Patient Satisfaction Data (2025)

Based on Korean dermatology surveys:

Satisfaction rating: 4.7/5 stars (based on 5,000+ patients)

Patient feedback:

• 87% satisfied or very satisfied with results
• 72% noticed improvement by session 3-4
• 91% would recommend to friends
• 68% continue maintenance treatments

Real testimonial: "I had stubborn melasma that wouldn't respond to creams. After 6 laser toning sessions, my makeup application improved because my skin tone was so much more even. No dramatic miracle, but genuine, noticeable improvement." - 30s office worker, Seoul

Duration of Results

How long results last:

• Initial improvement: Begins fading after 3-6 months without maintenance
• With quarterly maintenance: Results sustained indefinitely
• Without any maintenance: Gradual return toward baseline over 6-12 months

Factors affecting longevity:

• Sun exposure (biggest factor—UV undoes results)
• Hormonal changes (melasma can return)
• Aging and natural melanin production
• Skincare routine quality
• Lifestyle factors

The Treatment Process

Consultation (10-15 minutes)

What happens:

• Skin analysis and pigmentation mapping
• Medical history review
• Discussion of concerns and goals
• Treatment plan recommendation (number of sessions)
• Device and settings explanation
• Price quote
• Before photos

Questions to ask:

• What laser device will you use?
• How many sessions do you recommend?
• What results can I realistically expect?
• What are the risks for my skin type?
• Do you offer package discounts?

Treatment Session (20-30 minutes)

Step 1: Cleansing (5 minutes)

• Makeup removal
• Thorough cleansing
• Face drying

Step 2: Eye Protection

• Protective goggles or metal eye shields placed
• Essential—laser can damage eyes

Step 3: Laser Treatment (10-15 minutes)

• Doctor works systematically across face
• Thousands of gentle laser pulses delivered
• You'll hear rapid clicking sounds
• May smell slightly burnt (normal)
• Sensation: Warm, tingling, slight stinging
• Full face coverage ensures even results

Step 4: Post-Treatment Care (5 minutes)

• Cooling gel or mask application
• Soothing serum or cream
• Sunscreen application
• Post-care instructions

Pain Level

During treatment:

• Pain level: 2-4/10 (mild to moderate)
• Described as: "Warm tingling," "rubber band snaps," "mild stinging"
• Generally well-tolerated without numbing
• Some areas more sensitive (upper lip, bony areas)
• Tolerable for most patients

After treatment:

• Pain level: 0-1/10 (none to minimal)
• Slight warmth or sensitivity for 1-2 hours
• No lingering pain or discomfort

Comparison:

• Less painful than: Fraxel, HIFU, aggressive IPL
• Similar to: IPL photofacial
• More than: LED light therapy
• Less than: Botox injections

Recovery and Aftercare

Immediate Post-Treatment (Hours 1-6)

What you'll experience:

• Moderate redness (like mild sunburn)
• Warmth in treated area
• Slight swelling (minimal, usually not noticeable)
• Tingling sensation

What to do:

• Avoid touching face
• No makeup for 4-6 hours (some clinics say immediate makeup okay)
• Apply sunscreen if going outside
• Avoid hot water, steam, or sweating

Days 1-3: Initial Recovery

What you'll experience:

• Redness mostly resolved within hours
• Skin may feel slightly dry or tight
• Possible mild peeling (not always, not obvious)
• Skin may look slightly darker before brightening

What to do:

• Gentle cleansing only
• Moisturize well
• Strict sun protection
• Avoid harsh products

Minimal Downtime Advantage

Social downtime: None to minimal

• Most people return to work/social activities immediately
• Redness usually subsides within 2-4 hours
• Can apply makeup after 4-6 hours

Physical restrictions: Very few

• Avoid intense exercise for 24 hours (sweating concern)
• Avoid hot environments (saunas, hot yoga) for 48 hours
• Otherwise normal activities resumed

Essential Aftercare Rules

First 24-48 hours:

• ❌ No hot water on face (warm or cool only)
• ❌ No vigorous exercise or sweating
• ❌ No sauna, steam room, or hot baths
• ❌ No swimming (chlorine or bacteria risk)
• ❌ No aggressive skincare (retinoids, acids, scrubs)
• ✓ Apply gentle moisturizer frequently
• ✓ Use SPF 30+ sunscreen
• ✓ Keep makeup minimal and gentle

First 1-2 weeks:

• ❌ No aggressive facial treatments
• ❌ No waxing or threading on face
• ❌ No other laser treatments
• ❌ Avoid excessive sun exposure
• ✓ Continue gentle skincare routine
• ✓ Reapply sunscreen every 2-3 hours when outside
• ✓ Use gentle, hydrating products

Ongoing (for maintaining results):

• ✓ Sun protection is CRITICAL—this cannot be overstated
• ✓ Wear SPF 50+ daily, even indoors (UV through windows)
• ✓ Avoid peak sun hours when possible
• ✓ Use quality brightening skincare (vitamin C, niacinamide)
• ✓ Stay hydrated
• ✓ Healthy diet rich in antioxidants

Sun protection is 80% of maintaining laser toning results. Without it, pigmentation will return.

Potential Side Effects and Risks

Common (Expected)

• Redness: Mild to moderate, resolves in hours
• Sensitivity: Skin feels tender for 24 hours
• Dryness: Temporary, manageable with moisturizer
• Slight darkening: Pigment may look darker initially before lightening (normal)

Occasional

• Mild peeling: Fine flaking, usually not noticeable
• Temporary breakouts: Purging effect (rare)
• Prolonged redness: 1-2 days in sensitive individuals
• Dryness/tightness: Lasting several days

Rare but Possible

• Post-inflammatory hyperpigmentation (PIH): Paradoxical darkening
  • Higher risk in darker skin tones
  • Usually from sun exposure post-treatment
  • Can be treated but requires patience
• Hypopigmentation: Lightening beyond desired (very rare)
• No results: Non-responders exist (5-10%)
• Rebound hyperpigmentation: Melasma returns aggressively

Minimizing Risks

Choose experienced practitioners:

• Laser toning seems simple but requires expertise in:
  • Proper fluence (energy) settings
  • Appropriate spacing between sessions
  • Recognizing skin type variations

Follow aftercare meticulously:

• 90% of complications stem from poor aftercare
• Sun exposure is the #1 cause of PIH after laser toning

Be honest about medical history:

• Hormonal treatments (birth control, HRT)
• Photosensitizing medications
• History of abnormal pigmentation
• Previous adverse reactions to lasers

Set realistic expectations:

• Understand results are gradual
• Recognize melasma is notoriously difficult to treat
• Accept that maintenance is required

Who Should Try Laser Toning?

Ideal Candidates

Best results for:

• Age 25-60: Wide effective range
• Pigmentation concerns: Primary indication
  • Melasma (hormonal pigmentation)
  • Sun spots and age spots
  • Post-inflammatory hyperpigmentation
  • Freckles and lentigines
  • Uneven skin tone
• All skin types: Fitzpatrick types I-VI
• Busy lifestyle: No time for downtime
• Realistic expectations: Understanding progressive results
• Commitment to sun protection: Willing to be diligent

Specific concerns that respond well:

• Hormonal melasma (though challenging, requires maintenance)
• Sun-induced pigmentation
• Post-acne marks (PIH)
• Overall dullness and uneven tone
• Age-related pigmentation
• Combined texture and tone concerns

Who Should Skip or Delay Laser Toning

Not recommended for:

• Pregnant or breastfeeding: Hormonal changes affect results, safety concern
• Active skin infections: Wait until resolved
• Recent sun exposure or tan: Higher PIH risk
• Photosensitizing medications: Check with doctor (some antibiotics, etc.)
• Unrealistic expectations: Expecting miracle cure for severe melasma
• Unable to avoid sun: Results will be negated
• Active cold sores: Can trigger outbreak in treatment area

Consider alternatives if:

• Severe, deep melasma (may need combination approach)
• Very dark birthmarks (laser toning won't be effective)
• Wanting immediate results (try IPL or chemical peels for faster outcomes)
• Unable to commit to series (single sessions won't deliver results)

Treatment Schedule and Frequency

Standard Protocol

Initial treatment series:

• Frequency: Every 2-3 weeks
• Total sessions: 5-10 for optimal results
• Minimum effective: 5 sessions
• Typical recommendation: 10 sessions

Why 2-3 week intervals?

• Allows skin recovery
• Gives time for pigment elimination
• Prevents over-treatment
• Balances efficacy with safety

Sample Treatment Timeline

Weeks 0-10: Intensive Phase

• Session 1: Week 0
• Session 2: Week 2-3
• Session 3: Week 4-6
• Session 4: Week 6-9
• Session 5: Week 8-12
• Continue as recommended by doctor

Weeks 12-24: Assessment Phase

• Evaluate results
• Decide on additional sessions if needed
• Begin transitioning to maintenance

Maintenance Schedule

After completing initial series and achieving desired results:

Aggressive maintenance:

• Every 1-2 months
• Maximum sustained brightness
• Best for melasma-prone skin

Standard maintenance:

• Every 3-4 months (quarterly)
• Maintain 80-90% of results
• Most common schedule

Light maintenance:

• Every 6 months (bi-annually)
• Prevent regression
• Budget-friendly option

Seasonal approach:

• More frequent in winter (when sun exposure lower)
• Less frequent in summer
• Strategic timing around sun exposure patterns

Factors Affecting Frequency Needs

Need more frequent treatments:

• Severe melasma
• High sun exposure
• Hormonal factors (birth control, pregnancy history)
• Older age (slower pigment turnover)

Can extend intervals:

• Mild pigmentation only
• Excellent sun protection habits
• Younger age
• Good baseline skin quality

Laser Toning vs. Other Brightening Treatments

Laser Toning vs. IPL (Intense Pulsed Light)

Laser Toning vs. Chemical Peels

Laser Toning vs. Pico Laser

Note: Pico lasers are newer technology offering faster results but at 2-3x the cost. For budget-conscious patients, laser toning provides comparable final results with more sessions.

Best Seoul Areas for Laser Toning

Gangnam District

Why choose Gangnam:

• Latest laser technology
• Experienced dermatologists
• English-speaking staff
• Medical tourism infrastructure

Average pricing:

• Per session: ₩100,000 - ₩150,000 ($75 - $115)
• 10-session package: ₩800,000 - ₩1,200,000 ($615 - $920)

Best for: Premium experience, latest equipment

Myeongdong

Why choose Myeongdong:

• Central, tourist-friendly location
• Competitive pricing
• Many clinics with English support
• Convenient access

Average pricing:

• Per session: ₩80,000 - ₩110,000 ($60 - $85)
• 10-session package: ₩600,000 - ₩900,000 ($460 - $690)

Best for: International visitors, mid-range budget

Hongdae/Sinchon

Why choose Hongdae:

• Best value pricing
• Quality care without premium costs
• Younger, friendly atmosphere
• Student and budget-friendly

Average pricing:

• Per session: ₩70,000 - ₩100,000 ($55 - $75)
• 10-session package: ₩500,000 - ₩800,000 ($385 - $615)

Best for: Budget-conscious patients, excellent value

Apgujeong

Why choose Apgujeong:

• High-end clinic experience
• Celebrity clientele
• Luxury amenities
• Experienced practitioners

Average pricing:

• Per session: ₩90,000 - ₩130,000 ($70 - $100)
• 10-session package: ₩700,000 - ₩1,000,000 ($540 - $770)

Best for: Premium service, upscale experience

Combining Laser Toning with Other Treatments

Korean clinics excel at synergistic combination treatments:

Same-Session Combinations

Laser Toning + Aqua Peel:

• Laser targets pigment
• Aqua Peel deep cleanses and hydrates
• Enhanced brightening effect
• Add: ₩30,000-50,000

Laser Toning + Skin Boosters:

• Laser for tone
• Rejuran or HA for skin quality
• Comprehensive rejuvenation
• Usually separate sessions

Laser Toning + LED Therapy:

• Laser treats pigment
• LED reduces inflammation and enhances healing
• Minimal additional cost (₩10,000-20,000)

Sequential Treatments

Laser Toning + Chemical Peels:

• Alternate treatments every 2-3 weeks
• Laser for deep pigment
• Peels for surface exfoliation
• Powerful combination for stubborn pigmentation

Laser Toning + Vitamin C Infusions:

• Monthly vitamin C IV or mesotherapy
• Enhances brightening from within
• Popular in Korea for comprehensive approach

Strategic Treatment Plans

Comprehensive Brightening Protocol:

1. Weeks 0-12: Laser toning every 2 weeks (6 sessions)
2. Week 6: Add one session of chemical peel
3. Week 12: Add one session of Pico laser for boost
4. Ongoing: Quarterly laser toning maintenance

Cost: ₩800,000 - ₩1,200,000 ($615 - $920) for full protocol

FAQ

Q: Does laser toning hurt? A: No, it's generally well-tolerated. Most describe it as mild stinging or warm tingling (2-4/10 pain scale). No numbing cream needed for most patients.

Q: How many laser toning sessions do I need? A: Minimum 5 sessions, but 8-10 sessions deliver optimal results. Results are cumulative—more sessions = better, longer-lasting improvement.

Q: Can I wear makeup after laser toning? A: Most clinics say yes after 4-6 hours, but skin may be slightly red. Many people apply makeup before leaving the clinic for convenience.

Q: Will laser toning permanently remove my melasma? A: No treatment permanently removes melasma as it's driven by hormones and sun exposure. Laser toning significantly improves it, but maintenance treatments are necessary to sustain results.

Q: Is laser toning safe for dark skin? A: Yes, when performed correctly by experienced practitioners. Laser toning is specifically designed to be safe for Asian and darker skin tones. However, post-treatment sun protection is CRITICAL to avoid PIH.

Q: How long do laser toning results last? A: Results begin fading after 3-6 months without maintenance. With quarterly maintenance treatments and strict sun protection, results can be sustained indefinitely.

Q: Can I do laser toning while pregnant? A: Not recommended. Hormonal changes during pregnancy can trigger melasma regardless of treatment, and there's limited safety data. Wait until after pregnancy and breastfeeding.

Q: Laser toning vs. Pico laser—which is better? A: Pico laser is newer technology that works faster (4-6 sessions vs. 8-10) but costs 2-3x more. Laser toning provides comparable final results at better value for budget-conscious patients.

Q: Why isn't my melasma gone after 3 sessions? A: Laser toning is progressive and gradual. Most people need 5-6 sessions minimum before noticing significant improvement. Melasma is also notoriously difficult to treat and requires patience.

Q: Can laser toning make my pigmentation worse? A: Rarely, PIH (paradoxical darkening) can occur, usually from inadequate sun protection after treatment. This is why choosing experienced practitioners and following aftercare is crucial.

Conclusion

Laser toning in Korea offers an accessible, effective solution for stubborn pigmentation, uneven skin tone, and melasma—all without the downtime or risks associated with more aggressive laser treatments. With treatment costs ranging from just $55 to $95 per session and a strong 4.7/5 satisfaction rating, it represents exceptional value in Korea's world-class aesthetic market.

The technology has been refined specifically for Asian skin tones over decades of clinical use, making Seoul the ideal destination for this treatment. Combined with Korea's competitive pricing (40-70% less than Western countries) and concentration of experienced dermatologists, international medical tourists can access superior laser technology at a fraction of the cost back home.

Key takeaways:

• ✓ Progressive results requiring 5-10 sessions for optimal improvement
• ✓ Minimal downtime - return to normal activities immediately
• ✓ Safe for all skin types when properly performed
• ✓ Affordable - 10-session package averages $540 in Korea
• ✓ High satisfaction - 4.7/5 stars from thousands of patients
• ✓ Requires maintenance - quarterly treatments sustain results
• ✓ Sun protection critical - 80% of maintaining results

Laser toning works best as part of a comprehensive approach to pigmentation management, often combined with quality skincare, sun protection, and complementary treatments. While it won't provide instant dramatic results or permanently cure melasma, for patients with realistic expectations and commitment to the treatment series, laser toning delivers genuine, natural-looking brightening and tone improvement.

Ready to try laser toning in Korea? Schedule consultations at 2-3 clinics to compare laser equipment (ask specifically what device they use), pricing, and treatment protocols. Look for clinics using modern Q-switched Nd:YAG lasers with PTP (photoacoustic twin pulse) mode for enhanced safety and efficacy. Choose a practitioner with extensive experience treating pigmentation in your skin type, and confirm they offer package deals for the most cost-effective treatment series.

⚠️ Medical Disclaimer: This article provides general information about laser toning treatments. It is not intended as medical advice. Laser toning involves exposure to laser energy and carries risks including burns, post-inflammatory hyperpigmentation, hypopigmentation, and treatment failure. Always consult with a board-certified dermatologist or qualified healthcare professional before undergoing any laser procedure. Discuss your complete medical history, current medications (especially photosensitizing drugs), previous laser experiences, and pigmentation concerns during consultation to determine if laser toning is appropriate for you. Results vary significantly by individual based on pigmentation severity, skin type, sun protection adherence, and practitioner expertise. Melasma is a chronic condition that typically requires ongoing maintenance treatments.

Last Updated: November 6, 2025 Reading Time: 15 minutes