Why Asian pigmentation needs a different approach

Many people with East Asian, Southeast Asian or South Asian skin notice that their face does not have one pigment problem but several. Melasma may sit on the cheeks alongside freckles on the nose, a few sun spots near the temples and grey-brown speckles on the cheekbones. At the same time, the skin reacts to inflammation by producing extra pigment, so heat or irritation from a strong treatment can leave darker marks than before.

This combination is why Korean dermatology developed a cautious, layered style of pigment treatment. The goal is to clear each type with the least necessary energy, in the right order, while protecting the rest of the skin from rebound darkening.

The main pigment types in Asian skin

The table summarises the pigment types we see most often in Seoul and how they are usually approached. Korean patients often use informal names: gimi (기미) for melasma, jugeunkkae (주근깨) for freckles and japti (잡티) for mixed small marks. Knowing which is which is the first step, because the same laser can help one type and worsen another.

Hori's nevus , also called acquired bilateral nevus of Ota-like macules (ABNOM), deserves special mention. It is common in East Asian women, often mistaken for melasma, and lies deeper in the skin, so it needs a staged course of Q-switched or picosecond laser rather than toning alone.

Where the pigment sits: skin layers

Using our Skin Architecture method, we map each pigment to the layer where it sits. Surface (epidermal) pigment such as freckles and sun spots responds quickly to spot lasers. Deeper (dermal) pigment such as Hori's nevus, nevus of Ota and some melasma requires longer wavelengths, more sessions and longer gaps between them.

Mark-Vu imaging helps separate these patterns, because some deeper pigment is barely visible in a mirror but shows clearly on imaging. This map decides which device, wavelength and setting is used for each area of the face.

Laser toning: the Korean signature

Laser toning uses a 1064 nm Nd:YAG laser, either Q-switched or picosecond, at low energy with a large spot size, passed evenly across the face. It breaks up scattered pigment gradually without much heat, which suits melasma and dull, uneven tone in pigment-prone skin. Research reviews of low-fluence Q-switched Nd:YAG for melasma describe meaningful improvement for many patients, alongside a real risk of relapse and of mottled white spots when treatment is too frequent or too strong.

That is why toning is best seen as one part of a plan, combined with sunscreen and topical or oral treatment such as tranexamic acid when appropriate, and spaced sensibly. Our hyperpigmentation treatment page and skin brightening page describe how we use toning at the Myeongdong Premium Branch.

Pico, Q-switched and IPL: choosing the right tool

For distinct freckles and sun spots, a picosecond or Q-switched 532 nm spot laser is usually the most precise option, with small crusts for about a week. For Hori's nevus, a 1064 nm Q-switched or picosecond laser is applied in stages months apart. Fractional picosecond treatment such as Pico Fraxel can add texture and pore improvement where scattered pigment and acne scars overlap.

IPL is used in some Seoul clinics for lighter skin with redness and spots, but it relies on heat, so it needs more caution in darker or tanned Asian skin. For a detailed comparison, see pico laser vs IPL. For sun spots specifically, read the best laser for sun spots.

Who these plans suit, and when to stop

Korean-style pigment plans suit people with mixed pigment, pigment-prone skin and the patience for gradual improvement. They are less suitable when the skin is irritated or tanned, during pregnancy for some components, or when expectations are for a one-session cure of melasma, which does not exist.

One important warning sign is the appearance of small white spots after repeated toning, which can indicate hypopigmentation from over-treatment. If you have noticed this after treatment elsewhere, tell your doctor; the plan should pause or change rather than continue.

A realistic course and what a trip can achieve

Results depend on pigment type. Freckles and sun spots often clear in one to three sessions. Melasma improves gradually over months and tends to recur without maintenance and sun protection. Hori's nevus needs several sessions spaced months apart and may take a year or more.

On a short trip, a realistic goal is accurate diagnosis, spot treatment of freckles or sun spots, a first toning session and a home-care plan. Patients who visit Seoul regularly can continue a course over several trips, with progress tracked in their Skin Library . Our guide to pigmentation treatment in three days explains what to expect from very short stays.

Aftercare, sun and season

Every pigment plan depends on sun protection. Use a broad-spectrum sunscreen daily, ideally tinted with iron oxides to block visible light, and reapply outdoors. Avoid saunas, hot yoga and harsh exfoliants for a few days after each session, and introduce brightening creams only as your doctor advises.

Many people prefer to start pigment treatment in autumn or winter, when sunlight is weaker. If you are visiting in summer, plan for strict protection during sightseeing. Our article on the best season for pigmentation laser covers this in more detail.

Frequently asked questions

Related treatments and guides

Keep reading

• Pico Laser vs IPL in Seoul Korea
• Melasma Treatment Near Myeongdong Shopping Street
• Hyperpigmentation After Acne Treatment Korea
• Best Season for Pigmentation Laser in Seoul

Sources

1. The Low-Fluence Q-Switched Nd:YAG Laser Treatment for Melasma: A Systematic Review (PMC)
2. Evolution of the Picosecond Laser: A Review of Literature (Dermatologic Surgery, 2019)
3. DermNet – Melasma
4. DermNet – Postinflammatory hyperpigmentation