Post-inflammatory hyperpigmentation (PIH) is one of the most common reasons patients visit a dermatologist after acne, eczema, laser procedures, or skin injuries. These flat brown, gray, or dark patches develop when inflammation stimulates excess melanin production, leaving discoloration long after the original skin condition has healed. At BOME Dermatology Clinic in Apgujeong, Gangnam, a board-certified dermatologist (M.D., Ph.D.) provides comprehensive diagnosis and personalized treatment plans designed to safely fade PIH while protecting the skin barrier.

Rather than relying on aggressive treatments, BOME emphasizes evidence-based pigmentation management using customized combinations of topical therapy, advanced laser technology, skin barrier restoration, and prevention strategies based on your skin type and the depth of pigmentation.

Why Choose BOME Dermatology Clinic?

Successful PIH treatment begins with identifying why the pigmentation developed. At BOME, every patient undergoes a detailed consultation with a board-certified dermatologist before any laser or brightening treatment is recommended.

Clinic Highlights

• Board-certified dermatologist (M.D., Ph.D.)
• Personalized pigmentation diagnosis
• Treatment for post-acne pigmentation
• Advanced laser pigmentation therapies
• Medical and cosmetic dermatology
• Customized skincare recommendations
• Skin barrier recovery programs
• English-friendly care for international patients
• Private one-on-one consultations
• Convenient Apgujeong location in Gangnam

What Is Post-Inflammatory Hyperpigmentation?

Post-inflammatory hyperpigmentation occurs when inflammation or skin injury stimulates melanocytes to produce excess pigment during healing. Unlike active acne or eczema, PIH is not an ongoing inflammatory disease—it is the residual pigmentation left behind after the original condition resolves.

PIH commonly develops after:

• Acne breakouts
• Cystic acne
• Eczema
• Dermatitis
• Allergic skin reactions
• Insect bites
• Scratches
• Burns
• Cosmetic procedures
• Picking or squeezing pimples

Individuals with medium to darker skin tones often have a greater tendency to develop PIH because their melanocytes respond more actively to inflammation.

Common Symptoms

Patients may notice:

• Brown spots after acne
• Dark marks following eczema
• Gray patches after inflammation
• Uneven skin tone
• Persistent acne marks
• Pigmentation after laser treatments
• Dark spots after skin irritation
• Flat discoloration without raised scars

Conditions Frequently Associated with PIH

Post-Acne Hyperpigmentation

One of the most common forms of PIH, appearing after inflammatory acne heals.

Eczema-Related Pigmentation

Repeated inflammation may leave persistent dark patches after eczema improves.

Procedure-Related PIH

Certain cosmetic treatments may occasionally result in temporary pigmentation, particularly in individuals prone to PIH.

Trauma-Induced Pigmentation

Scratches, burns, insect bites, and other skin injuries may heal with excess pigmentation.

Comprehensive Pigmentation Assessment

Before treatment, your dermatologist evaluates:

• Pigmentation depth
• Skin tone
• Active inflammation
• Previous treatments
• Acne activity
• Sun exposure history
• Skin sensitivity
• Underlying skin disorders

This evaluation helps determine the safest and most effective treatment strategy.

PIH Treatment Options

Treatment recommendations vary depending on pigmentation depth, skin type, and the presence of ongoing inflammation.

Pigment-Specific Laser Therapy

Low-fluence laser treatments may gradually reduce excess pigmentation while minimizing irritation and supporting an even skin tone.

Brightening Topical Therapy

Prescription topical medications and dermatologist-selected brightening agents may be recommended to help regulate melanin production and gradually fade discoloration.

Chemical Peels

Gentle superficial peels may be used in selected patients to accelerate epidermal turnover while minimizing irritation.

Skin Barrier Repair

Healthy skin heals more efficiently. Barrier-strengthening skincare helps reduce ongoing irritation and supports pigmentation recovery.

Acne Management

If acne remains active, controlling inflammation is essential because new breakouts can create additional PIH.

Preventing Future Hyperpigmentation

Reducing new inflammation is a key part of long-term management.

Your dermatologist may recommend:

• Daily sunscreen use
• Early acne treatment
• Avoiding skin picking
• Gentle skincare products
• Proper moisturization
• Medical treatment for eczema or dermatitis
• Follow-up care for chronic inflammatory skin conditions

What to Expect During Treatment

Step 1 – Dermatology Consultation

A board-certified dermatologist evaluates your pigmentation and underlying skin condition.

Step 2 – Skin Analysis

Pigmentation depth, skin sensitivity, and active inflammation are assessed.

Step 3 – Customized Treatment Plan

A personalized program may combine topical medications, laser treatments, chemical peels, and barrier repair.

Step 4 – Progressive Improvement

PIH typically fades gradually over multiple treatment sessions. Improvement depends on the depth of pigmentation, skin type, and adherence to the treatment plan.

International Patients Welcome

BOME Dermatology Clinic provides personalized pigmentation treatment for:

• Medical tourists
• Expats
• International students
• Business travelers
• Long-term foreign residents

Patients benefit from:

• English-friendly consultations
• Doctor-led treatment planning
• Transparent recommendations
• Personalized aftercare
• Convenient Gangnam location

Why Early Treatment Matters

The sooner inflammation is controlled and pigment formation is addressed, the easier PIH is often to manage. Delayed treatment or repeated skin irritation can prolong discoloration and increase the risk of persistent pigmentation. Early dermatologic evaluation helps distinguish PIH from conditions such as melasma, sun spots, or post-inflammatory erythema (PIE), which require different treatment approaches.

Frequently Asked Questions

What causes post-inflammatory hyperpigmentation?

PIH develops when inflammation stimulates melanocytes to produce excess melanin after acne, eczema, skin injury, or cosmetic procedures.

Is PIH the same as acne scars?

No. PIH is discoloration without permanent changes in skin texture. Acne scars involve structural damage to the skin and often require different treatment approaches.

How long does PIH take to fade?

The timeline varies depending on pigmentation depth, skin tone, sun exposure, and treatment. Superficial PIH may improve within months, while deeper pigmentation can require longer treatment and consistent sun protection.

Can lasers help treat PIH?

Yes. Selected pigment-targeting lasers may help improve PIH when recommended by a dermatologist, particularly when combined with topical therapy and sun protection.

Can international patients receive PIH treatment?

Yes. BOME Dermatology Clinic welcomes international patients and offers English-friendly consultations with personalized treatment plans for pigmentation disorders.