
Hello, this is Lee Jiham Dermatology Gangnam Branch.
In the expression of the patient who entered the consultation room, I could feel the long-held worry they had been carrying. The acne inflammation had subsided, but they were still troubled by the red marks and pigmentation left on their skin. “Now I almost never get pimples, but when will these marks finally disappear?” This is a question I hear countless times in treatment. That is because, in many cases, the traces left behind linger longer than the acne itself and weigh on the mind even more.
Above all, we believe that the key is natural-looking results without overdoing it, and lasting trust. Because every person’s skin characteristics are different, we aim to provide precise diagnosis and treatment methods suited to each patient’s skin condition.

Understanding acne marks and redness properly
The marks left after acne heals can be broadly divided into two types. One is a red mark called erythema, and the other is a brown mark called post-inflammatory hyperpigmentation. Many patients think of these as scars, but strictly speaking, they are different from scars. Scars refer to areas that are indented or raised on the skin surface, while marks refer to discoloration with a flat skin surface.
Why do red marks, or erythema, occur? When acne develops, an inflammatory response occurs in the skin, and blood flow to the area increases to help it recover. Even after the acne improves, this dilated blood vessel state can remain for a period of time, causing the area to look red. To put it simply, it is similar to firefighters staying at the site for a while after responding to and working at a fire.
Brown marks, or post-inflammatory hyperpigmentation, are caused when melanin pigment is produced excessively during the inflammatory response and accumulates in the skin. In particular, these marks can remain darker when the inflammation was severe, when there was significant exposure to ultraviolet rays, or when the skin was irritated. These marks may naturally fade over time, but since they can last from several months to more than a year, active intervention is often needed.

Quadrostar, a new way to improve acne marks
Quadrostar, used at the Gangnam Station acne dermatology clinic to improve acne marks and redness, is a combination laser device that can address multiple skin concerns at once. As its name suggests, Quadrostar has four modes, allowing customized improvement depending on the patient’s skin condition.
The biggest advantage of Quadrostar is that it focuses on improving acne marks. It can improve both red flushing and pigmentation at the same time, and its dual toning function helps even out the overall skin tone. It also includes IPL functionality, allowing efficient improvement of pigmentation and vascular lesions.

How does Quadrostar work?
First, in redness improvement mode, light of a specific wavelength selectively targets dilated blood vessels. This light energy is absorbed by hemoglobin in the blood vessels, generating heat, and that heat coagulates the dilated vessels to reduce the red appearance. The principle is similar to repairing a damaged pipe to stop water from leaking.
In the toning mode for pigmentation improvement, it selectively reacts to melanin pigment and breaks down the excess pigment that has accumulated. The broken-down pigment is then naturally eliminated through the skin’s metabolic process, gradually fading over time. The more this process is repeated, the more the effect builds, resulting in a brighter and more even overall skin tone.
The dual toning function is one of Quadrostar’s special strengths. By using two types of wavelengths at the same time, it can improve pigmentation in both the epidermal and dermal layers, making it more efficient than standard toning. It is especially effective when pigment is distributed at multiple depths, as is often the case with acne marks. Another advantage of Quadrostar treatment is that it can also promote skin regeneration at the same time. Because laser energy stimulates the dermal layer and activates collagen production, you can experience the twofold benefit of improving acne marks while also enhancing skin elasticity and texture.

Quadrostar is especially recommended for these people.
Quadrostar may be helpful for people with various skin concerns, but it is especially efficient in the following situations.
First, for those whose acne has almost stopped appearing but who are troubled by red or brown marks. If you have completed acne treatment but still do not feel your skin looks clear because the marks remain, Quadrostar can be a good solution. Second, for those whose overall facial skin tone is uneven or dull. If pigmentation exists in certain areas, or if redness and pigmentation are mixed together and make the skin tone uneven, the dual toning function is effective.
Third, for those who have difficulty undergoing treatments with long recovery time because of a busy daily schedule. Quadrostar has almost no downtime, so daily life and makeup are possible from the day after treatment, making it suitable for office workers and students. Fourth, for those who want to improve acne and remove marks at the same time. If you receive Quadrostar along with the acne 8-week program at the Gangnam Station acne dermatology clinic, you can address acne and its marks at the same time.
Fifth, people with sensitive skin may also consider Quadrostar. Of course, caution is needed with all laser procedures, but Quadrostar is relatively mild, so it can often be applied to sensitive skin as well. However, because the treatment intensity must be adjusted depending on skin condition, you should make the decision only after consulting a specialist.

Do not hide acne marks anymore
I would like to say something to those who are troubled by acne marks. Acne marks are by no means permanent, and they can be improved sufficiently with proper intervention. Rather than waiting and hoping they will disappear on their own with time, it is much more efficient to receive active treatment.
Quadrostar is a proven device for improving acne marks and redness. Of course, it is not a magical treatment where all marks disappear overnight. But through accurate diagnosis, a systematic improvement plan, and consistent care, they can definitely improve. The important thing is not to give up by thinking it is too late.
Acne marks are not just a skin issue. They are a matter of confidence and are also connected to everyday happiness. The time spent covering marks with makeup, worrying about angles in photos, and feeling burdened by facing your face in bright light can now be changed. We will be with you so that you can regain the clear, clean beauty your skin originally had and recover your confident smile.
In order to become the first name that comes to mind when skin concerns arise, we will continue to provide honest and attentive care without change. To everyone struggling with acne marks, now is the time to begin change. Do not struggle alone any longer; please move toward a solution.
















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