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Signature Treatments

Resurfacing scars from the root, without incision

Signature

Five answers, one pinhole craft

Five signature treatments designed for the thickness, depth and shape of each scar. Tap a name for details and pricing.

Pinhole for Burn & Surgical Scar

Opening a path for new skin on thick scars.

Mild Pinhole

Gentler approach, faster recovery

Pinhole Alpha

An upgrade on the pinhole technique

Acne Scar Triple Repair

The first step in scar treatment: untangle and soothe.

Ultra Excision

Excision plus recurrence prevention for large keloids

Why Yonsei Star

Why Yonsei Star is different

The difference built by a clinic devoted to scars for 25 years.

Specialized Scar Treatment

Pioneers in scar care

Proprietary Pinhole Technique

Beyond laser, our own technique

Scar Specialists with 25 Years of Experience

Trust your scar to the experts.

1:1 Customized Complex Treatment for Each Scar Type

The perfect treatment for my scar

Maximizing effects with multiple laser passes in one session

One visit, up to 4x the effect

Multiple Medical Textbooks Authored

Clinical know-how, textbook-ified

Real cases

Before & After

Results may vary depending on individual skin condition, number of sessions, and lifestyle. Temporary side effects such as swelling, redness, bruising, pain, or altered sensation may occur.

Early Scar Treatment: Before and After

Before: 2023.04.17, After: 2024.01.17. A real case of early scar improvement with the Vbeam laser.

Suture scar treatment, before and after

Before: 2022.10.20, After: 2024.10.29. A real case of improving a scar left after traumatic wound suturing.

Self-Harm Scar Treatment: Before and After

Before: 2023.05.13, After: 2023.11.11. A real case of gradual improvement of multiple self-harm scars.

Early Temple Scar Treatment: Before and After

Before: 2022.07.26, After: 2024.11.04. A real case of early temple scar improvement with Vbeam.

Philtrum Keloid Treatment: Before and After

Before: 2024.02.06, After: 2024.11.22. A real case of philtrum keloid scar improvement.

Surgical Scar Treatment: Before and After

Before: 2023.02.20, After: 2023.06.27. A real case of a scar left after thyroid surgery improved with Vbeam.

Depressed Forehead Scar Treatment: Before and After

Before: 2024.05.21, After: 2024.11.18. A real case of a depressed forehead scar improved with Starlux and subcision.

Depressed Acne Scar Treatment: Before and After

Before: 2023.01.06, After: 2024.10.11. A real case of depressed acne scars improved with Triple Repair and subcision.

Learn More

Understand it in more depth

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Philtrum and Lip Scar Laser Treatment

Because they are in the center of the face, philtrum and lip scars are more concerning. We first identify whether they are red, white, or raised, and then gradually improve them with appropriate laser and combination treatments.

Self Harm Scar and Hesitation Mark Laser Care

For self-harm scars, the laser approach differs depending on whether they are red, early scars or old, white scars. We've summarized the timing of treatment for hesitation marks, the principle of the Pinhole Technique, and precautions during treatment.

Atrophic Scar Care with Resurfacing Laser and Subcision

Depressed scars from acne and trauma are not easily filled by stimulating the surface alone. We will examine lasers that aid dermal regeneration and subcision to break underlying adhesions.

Ear Keloid Treatment Injection vs Laser

If a lump like growth appears at a piercing site and doesn't shrink, it could be an ear keloid. We've outlined why we plan not just for removal, but also for recurrence prevention.

Red Stretch Marks Golden Time Laser Treatment

Early stretch marks, visible as red lines, are known to be a good time for laser treatment. We've compiled reasons why you should promptly address stretch marks on your abdomen, arms, and thighs before they turn white.

Hyperbaric Oxygen Therapy For Scar Recovery Support

If recovery feels slow even after laser scar treatment, we've explored why Hyperbaric Oxygen Therapy is considered a complementary method, discussing its principles and limitations in supporting oxygen supply.

Subcision And Shockwave Laser For Atrophic Acne Scars

Depressed acne scars often cannot be filled by surface regeneration alone. We've compiled information on combining subcision, which severs the fibrous tissue below, with a low-irritation shockwave laser.

Laser Treatment Timing For Old Burn Scars

Even for burn scars decades old, there's still a path to begin. We've outlined the principle of the Pinhole Technique, which relaxes hardened fibrous tissue, along with the optimal treatment timing, and why equipment and experience determine the outcome.

Stretch Marks During And After Pregnancy

We've outlined a step-by-step approach: prioritizing fetal safety with moisturizing and weight management during pregnancy, and then using lasers tailored to the color and stage of stretch marks after childbirth.

Can Old Chickenpox Scars Be Improved? Causes and Characteristics of Chickenpox Marks | [Yonsei Star Dermatology Sinchon]

Even decades after childhood chickenpox, depressed scars can remain. Learn about treatment directions to refill collagen with regenerative lasers and restore a smooth surface.

Research-Validated Care

Laser-induced acoustic shockwave treatment using a diamond particle patch for rolling acne scars: a case series

Medical Lasers · 2026

Effective treatment of ear keloids using CO2 laser-assisted debulking combined with topical mitomycin C application

Medical Lasers · 2026

Liquid-Form Polycaprolactone Injection Enhances Dermal Thickness and Collagen Production in UVB-Induced Photoaging Skin

Journal of Cosmetic Dermatology · 2026

The pinhole method using an erbium:YAG laser for the treatment of papular acne scars

Dermatologic Therapy · 2017

Treatment of hesitation marks on the forearm by the pinhole method

Lasers in Medical Science · 2016

Treatment of Hypertrophic Burn Scars by Combination Laser-Cision and Pinhole Method Using a CO2 Laser

Lasers in Surgery and Medicine · 2014

Sequential treatment with intradermal incision (intracision) and 2,940-nm Er:YAG laser for chicken pox scars

Dermatologic Therapy · 2013

Scar revision by the pinhole method using a 10,600-nm carbon dioxide laser

Journal of Cosmetic and Laser Therapy · 2012

$Targeted laser reconstruction of skin scars using 10,600-nm carbon dioxide fractional laser$

Targeted laser reconstruction of skin scars using 10,600-nm carbon dioxide fractional laser

Journal of Cosmetic and Laser Therapy · 2012

Treatment of Striae Distensae Using an Ablative 10,600-nm CO2 Fractional Laser: A Retrospective Review of 27 Participants

Dermatologic Surgery · 2010

$Non-ablative 1550-nm erbium-glass and ablative 10,600-nm CO2 fractional lasers for acne scars: a randomized split-face study$

Non-ablative 1550-nm erbium-glass and ablative 10,600-nm CO2 fractional lasers for acne scars: a randomized split-face study

JEADV · 2010

The Efficacy and Safety of 10,600-nm CO2 Fractional Laser for Acne Scars in Asian Patients

Dermatologic Surgery · 2009

The treatment of burn scar-induced contracture with the pinhole method and collagen induction therapy: a case report

JEADV · 2007

Books by Our Doctors

Skin Analytics

여문각 · 2023

Laser and Light Treatment in Asian Skin

군자출판사 · 2018

The Pigmentary System

Gold PTT Aesthetic Treatment

정우의학서적 · 2019

Medical Nail Care

정우의학서적 · 2021

Consult first, then decide

Your scar and the right treatment are determined after consultation. Reach us easily on KakaoTalk.