


9/22/2025
This is a procedure note for Get Rid of Lentigo: Why do they vanish in a short period? at Beomgye(Opening Soon) KKEUT Korean Clinic.
How Can Significant Improvement in Sunspots Be Expected from a Single Treatment?
Unlike freckles, sunspots typically emerge in adulthood and are strongly linked to sun exposure or the natural aging process of the skin.
While freckles often appear in childhood, sunspots tend to increase in size and darken in color over time.
Although most are epidermal pigment lesions, some can involve the deeper dermal layer.
Many people hold the belief that sunspots require multiple treatments to show any lightening effect.
However, it is often possible to achieve noticeable lightening with a single treatment session. We will explain why this is the case.
1. Sunspot Characteristics and the 532nm Wavelength's Precision
Sunspots are areas where melanin is concentrated within the epidermal skin layer.
They typically respond effectively to the 532nm wavelength, known for its high melanin absorption.
When a laser is directed at these spots, it targets and breaks down only the melanin particles.
This describes the natural process of their removal.
Due to this mechanism, sunspots might appear slightly darker immediately following the procedure.
However, after the scabs naturally detach, a significant lightening effect can often be observed after just one treatment.
2. Post-Treatment Reactions and Healing Stages
Following laser treatment, small scabs will form on the treated sunspot areas, generally lasting for one to two weeks.
During this healing phase, the pigmentation may temporarily darken, which is a normal part of recovery.
Once these scabs fall away, the treated area's color will lighten and blend more naturally with the surrounding skin.
In essence, sunspot removal typically yields results within a short period, progressing through immediate changes, scab detachment, and subsequent skin lightening.
3. The Importance of Precise Diagnosis
Sunspots are often mistaken for other types of pigmentary concerns, such as freckles, blemishes, or melasma.
For this reason, it is crucial to use specialized skin diagnostic tools like Mark-Vu prior to treatment to accurately assess pigment depth and distribution.
An accurate diagnosis is essential for minimizing unnecessary procedures and helping to achieve favorable outcomes.
4. Optimizing Results Through Personalized Settings
Given that sunspots vary in size and depth, it is vital to individually adjust parameters such as spot size, pulse energy, and fluence.
The results can differ significantly, even with the same laser device, depending on the specific settings applied.
Tailored settings play a critical role in pursuing effective results, potentially even in a single treatment session.
5. Essential Post-Treatment Care
Effective sunspot treatment also involves diligent protection against UV radiation. Following the procedure, focus on:
These aftercare steps are crucial for maintaining the laser's effects and helping to prevent future recurrence.
Summary
The potential for sunspot lightening in a single treatment session stems from several key factors: