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I often hear during consultations that people feel their facial tone looks dull these days. When to start managing melasma depends on the state of the pigmentation and how the skin reacts to stimulation. Some people choose to address it at an early stage, while others prefer to observe it a bit longer and record the changes.

Even if they appear similar on the surface, the depth and cause of pigmentation vary, leading to different approaches. We have organized the signals that appear when facial tone changes, the principles of how management methods work, the differences between dark and light pigmentation, and the time it takes for it to subside. If you are looking for a dermatology clinic in Pyeongtaek, we recommend checking whether these criteria are explained during your consultation.

Initially, light brown spots appear scattered on the cheeks or forehead. Over time, the borders become clearer, and the color tends to deepen. If your makeup frequently feels cakey, it could be a sign that the pigment layer has thickened.

It is common for the color to become noticeably prominent after prolonged sun exposure or after periods of hormonal fluctuations. If it appears as a widespread, symmetrical pattern on both sides of the face, melasma may be suspected. It can be difficult to distinguish from common blemishes or temporary post-inflammatory hyperpigmentation, so developing a habit of observing whether the borders are blurry or distinct and how the color tone changes can be helpful.

Comparing your face in the morning and evening under the same lighting conditions will reveal differences in skin tone more clearly. Regularly taking photos is also a way to not miss subtle changes. Melasma is generally easier to manage if changes are caught early, so it is best not to overlook even seemingly minor differences.

Although the methods used for melasma management may appear similar, their operating principles differ slightly. For toning methods that break down pigment particles into tiny fragments with short-wavelength light, Q-switched Nd:YAG laser devices are used.

If skin texture or barrier conditions also need to be addressed, methods focusing on regulating dead skin cells and sebum may be combined. The choice of treatment varies depending on whether the pigmentation is shallow, remaining in the epidermis, or has penetrated deep into the dermis. Even for the same melasma, if the skin is sensitive to irritation, a treatment plan involving lower output delivered in multiple sessions may be considered.

It doesn't end with just choosing the device; the output and wavelength settings are also determined differently according to each individual's condition.

Since reactions vary depending on skin thickness and pigment distribution, we believe that a customized treatment plan tailored to each individual's condition is superior to simply following a fixed, single sequence.

If the color is light and remains close to the epidermis, a gradual approach with increased frequency while keeping irritation low is considered. If the color is dark and has settled deep into the dermis, increasing the output slightly or combining it with other treatments may be an option.

However, dark melasma can react more sharply to irritation, so it is more appropriate to adjust the output in stages while observing the reaction, rather than pushing the output higher.

If the depth of pigmentation is mixed within one area, a single method may not be sufficient. Therefore, a crucial step in the initial diagnosis is to confirm both the location and density of the pigmentation. Instead of just visual inspection, a process of confirming the layer where the pigment is located with a specialized device may be included. Only after such confirmation can it be determined whether it is epidermal, dermal, or a mixed type, and the output and frequency can be precisely adjusted accordingly.

The time required for Recovery varies significantly depending on the depth of the pigmentation and the intensity of the procedure.

For light pigmentation in shallow layers, redness and marks tend to subside relatively quickly. In contrast, dark pigmentation rooted deeper in the dermis requires a longer time to subside. After approaching with strong output, a temporary reaction where the color appears even darker may occur; this is known as a change that happens during the exfoliation process.

During this period, Sun Protection and soothing care must be combined for smooth Recovery. Melasma has a tendency to reappear, so rather than concluding with a single session, plans often involve observing the progress and maintaining the results.

The treatment direction is determined by considering the depth of pigmentation, skin sensitivity, and lifestyle patterns together.

If your lifestyle involves long hours outdoors, covering and maintenance care should take precedence over increasing output. If your skin is sensitive, a method of dividing the treatment into multiple sessions with low output may be more suitable. If the pigmentation is dark and long-standing, other treatments may need to be combined, making it difficult to decide based on a single criterion.

Information such as pregnancy and breastfeeding status, current medications including birth control pills, and whether you are using ingredients that can make you sensitive to light are also necessary for determining the timing. If redness does not subside for more than a few days after the procedure, or if the color appears to spread widely, it is safer to seek a Consultation without waiting for your next appointment.

When receiving a consultation in Pyeongtaek, we recommend asking whether the procedure includes a step to confirm the pigment layer and whether there is a plan to reassess and adjust settings based on your reaction at each session. You should also provide information about the products you use at home and the extent of your outdoor activities to realistically calculate the burden of maintenance care.

Is it better to start immediately at an early stage? While it is easier to manage if caught early, the sequence of confirming the depth of pigmentation and skin reaction before determining the timing comes first. Can it be finished in one session with strong output? Darker pigmentation can react sharply to irritation, so it is more appropriate to adjust in stages. My color looks darker after treatment; is this okay? This is known as a change that can occur during the exfoliation process, but if the duration is prolonged or the area widens, it is advisable to get it checked.

The direction of melasma management varies depending on the depth of pigmentation and skin condition. Even with the same method, results can differ depending on skin condition, and the final decision should be made after a direct examination in the Consultation Room. If you wish to confirm your facial tone and melasma condition through a consultation in Pyeongtaek, please feel free to inquire via Chat Consultation Shortcut.

• American Academy of Dermatology (AAD), Melasma Diagnosis and Treatment Guidelines
• U.S. Food and Drug Administration (FDA), Laser Device Safety Information for Pigmentary Disorders

This article was reviewed by Park Min-soo, Lead Directors (7th President of the Korean Society for Laser Dermatology and Hair, Adjunct Professor at Hanyang University College of Medicine) and Lee Yu-seok, Lead Directors (Vice President of the Korean Society for Laser Dermatology and Hair, 20 years of clinical experience). Last reviewed 2026-09-26.