🍓 Can Red Marks on the Skin Really Be Improved with Vascular Laser?

Hello, this is Yonsei Bombit Dermatology.

"The acne has gone down, but the red marks keep staying."

"Tiny blood vessels keep showing around my cheeks."

"The redness on the bridge of my nose and my cheeks does not go away easily."

Red marks left on the skin or noticeable blood vessels like these

rather than simply waiting and hoping they will disappear over time,

it is better to consider laser treatment specialized for vascular lesions.

Today, I’ll explain in detail why red marks appear

and in which cases vascular laser is effective.

Facial telangiectasia

1️⃣ What causes red marks on the skin?

Red marks are mostly color changes caused by blood vessels in the skin becoming dilated or damaged.

The main causes are as follows.

✔ Post-acne erythema – A state where blood vessels dilate after inflammation, leaving red marks that last for a long time

✔ Telangiectasia – A symptom where thin red capillaries become visible around the cheeks and nose

✔ Rosacea – Accompanied by chronic flushing, warmth, and small papules

✔ Repeated irritation of thin skin areas – Scrubs, friction, high-temperature environments, etc.

✔ Congenital lesions such as hemangiomas / port-wine stains

📍 Red marks are often caused not by simple pigmentation, but by vascular issues, so they often do not improve well with whitening creams or pigmentation lasers.

2️⃣ How does vascular laser work?

Vascular laser uses wavelengths of light that respond only to hemoglobin (the oxygen-carrying pigment) inside blood vessels

to selectively destroy dilated or abnormal blood vessels with heat.

✔ Without damaging the skin surface

✔ Treating only the enlarged blood vessels selectively

✔ Over time, the redness fades and the skin tone becomes more even

📍 Most vascular lasers use long-wavelength lasers that respond to hemoglobin, and at Yonsei Bombit Dermatology, the appropriate device is selected depending on skin type and lesion depth.

3️⃣ In which cases is it effective?

Vascular laser is very effective in the following cases.

🔹 Red marks after acne scars (erythema)

🔹 Capillaries visible around the nose and cheeks (telangiectasia)

🔹 Chronic facial redness / flushing

🔹 Red skin that worsens with frequent alcohol consumption or temperature changes

📍 Flushing and red marks tend to recur easily, so treatment repeated 2–4 times or more is more stable than a single session.

4️⃣ What should you watch out for during treatment?

✔ If flushing is severe or the skin is thin,

careful energy adjustment is important without excessive stimulation.

✔ Right after treatment, temporary redness or stinging may occur, and

✔ Sun protection, moisturizing, and soothing care are essential.

✔ Since the device and wavelength should be chosen differently depending on skin tone and lesion depth,

a precise diagnosis by a dermatologist is very important.

✨ In closing

Red marks on the skin may fade over time,

but the process is slow and can affect skin tone.

At Yonsei Bombit Dermatology,

for various vascular lesions such as post-acne erythema, visible capillaries, and flushing,

we provide personalized treatment using various vascular laser devices

after an accurate diagnosis of the cause.

"When the red tone is organized, the overall impression changes."

📍 Yonsei Bombit Dermatology

📞 02-837-8275

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