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5 Ultherapy Side Effects, Is it Really Safe? A Dermatologist Answers
ByKim Young-kyun, Director March 5, 2026March 5, 2026

Ultherapy side effects are divided into five main categories: burning, pigmentation, lipoatrophy, vascular damage, and nerve damage, with a probability of occurrence of less than 1 in 21 TP3T. Most of them recover temporarily, but in some cases, such as fat atrophy, it is difficult to recover naturally...

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Rejuran injection: 4 real effects chosen by dermatology specialists
ByKim Young-kyun, Director March 4, 2026March 16, 2026

[Key Summary] Lizuran Injection is a salmon DNA-derived ingredient (PN) that is injected directly into the dermis layer to (1) remove fine wrinkles, (2) enhance skin elasticity, (3) improve quick drying and radiance, and (4) help repair damaged tissue...

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Rejuran pain, is it really that painful? How to increase effectiveness and reduce pain
ByKim Young-kyun, Director March 3, 2026March 4, 2026

Lidocaine, it hurts to work? No, it doesn't! Here are my tried-and-true secrets to reducing Lidocaine pain 70%. How to leave a glow instead of a tearful ache...

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Gangnam Potenza: If You Don't Know These 5 Things Before Getting It, You'll Just Waste Your Money (Organized by a 15-Year Specialist)
ByKim Young-kyun, Director February 9, 2026April 1, 2026

✍️ Kim Young-gyun | Director, Core Dermatology Clinic · Dermatology Specialist (License No. 106824) 📅 March 31, 2026 | 🔬 Based on clinical experience and academic data “Director,...

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5 Common Traits of People Who Get Abkugjeong Fillers and Hear “It Doesn't Look Like You Got Anything Done”
ByKim Young-kyun, Director February 6, 2026April 3, 2026

✍️ Kim Young-gyun | Director of Core Dermatology Clinic · Dermatologist 📅 2026. 04. 02 | 🔬 Based on clinical experience and academic materials “Doctor, last time another..."

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3 Crucial Things You Miss When Comparing Apgujeong Radias Prices
ByKim Young-kyun, Director January 30, 2026April 2, 2026

✍️ Kim Young-gyun | Chief Director of Core Dermatology Clinic · 15 years of dermatology expertise 📅 April 1, 2026 | 🔬 Based on clinical experience + academic data “Doctor, Apgujeong..."

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Apgujeong Thermage, 1.5 million won? 2.5 million won? — The Real Reason for the Price Difference (Honest Confession from a 15-Year Dermatologist)
ByKim Young-kyun, Director January 28, 2026April 3, 2026

✍️ Kim Young-gyun | Director of Core Dermatology Clinic · 15 years of Dermatology Expertise 📅 April 3, 2026 | 🔬 Based on Clinical Experience + Academic Data “Doctor, in Apgujeong..."

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Apgujeong Ondarifting, the Same Machine, Different Results - A Complete Guide to Customized Treatments for Different Face Types
ByKim Young-kyun, Director January 27, 2026March 31, 2026

✍️ Youngkyun Kim | CEO of Core Dermatology - Dermatologist (License No. 106824)📅 2026. 03. 26 | 🔬 Based on clinical experience + academic data ✅ Conclusion...

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Alltight in Seoul, 5 Things You Need to Know Before You Get Your First One
ByKim Young-kyun, Director January 26, 2026March 24, 2026

✍️ Youngkyun Kim | CEO of Core Dermatology - Dermatologist (License No. 106824) 📅 2026. 03. 20 | 🔬 Based on clinical experience + academic data ✅ Conclusion...

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From the effect to the longevity of the Apgujeong Hilo Wave, why it's less foreign than fillers
ByKim Young-kyun, Director January 26, 2026March 18, 2026

✍️ Youngkyun Kim | CEO of Core Dermatology - Dermatologist (License No. 106824) 📅 2026.03.18 | 🔬 15 years of clinical experience + based on academic data ✅ Conclusion First, HiloWave is...

See more From the effect to the longevity of the Apgujeong Hilo Wave, why it's less foreign than fillers