Firmness & facial definition
Explore lifting and tightening options with attention to the area you wish to treat, facial structure and skin laxity. Your consultation is the place to compare the available techniques and plan the scope of care.
Seocho, Seoul · Skin & aesthetic clinic
Diar Clinic
Located in Seocho, Seoul, Diar Clinic offers skin tightening, skin boosters, and pigmentation treatments.
Photography: Diar Clinic.
GET TO KNOW THE CLINIC
A closer look
Diar offers lifting, injectables and body contouring through an individual consultation system. Opened in December 2025, the practice combines the founders’ prior clinical experience with a setting designed for private, attentive aesthetic care. International guests can discuss their treatment plans with English-language assistance.
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One-to-one care
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English-language assistance
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Opened in December 2025
YOUR SKIN, YOUR PRIORITIES
Explore the treatments
At Diar Clinic
- Thermage FLX
- Dermal fillers
- Ultherapy PRIME (HIFU lifting)
- Body Botox
- Botox
- SKINVIVE Hydration Booster
- Lifting Treatments
- Thread Lifting
- Whitening & Pigmentation Treatment
- Skin Rejuvenation & Skin Boosters
- Potenza (RF microneedling)
- Multi-wavelength laser therapy
Hydration & skin quality
Skin-booster consultations focus on concerns such as hydration, texture and skin quality. Discuss the specific product, treatment areas and proposed course of sessions with your doctor.
Pigmentation & uneven tone
Explore options for pigmentation and uneven skin tone. A skin assessment helps the doctor distinguish the concern being treated and explain the available approaches.
Expression lines & facial volume
The injectable menu brings together different treatment purposes, from expression lines to volume and contour. Discuss the area, product and degree of change you have in mind.
THE DETAILS OF CARE
Technology & treatment systems
Ultherapy PRIMEThermage FLXPotenzaTitanium
THE PEOPLE BEHIND YOUR CARE
Meet the doctors
Hye-jin Jang
Dermatology Expert
Clinical interests
Dermatology Services for Skin Care · Hair Loss Therapy and Restoration · Non-Surgical Skin Tightening (Ultherapy) · Non-Surgical Thread Lift for Skin Tightening · Skin Resurfacing with Laser Technology · Skin Pigmentation Treatment · Non-Surgical Body Contouring · Skin Booster Injections
Education, experience & professional background
Position
- Director, Diar Clinic
Education
- School of Medicine, Universidad Católica Boliviana (Jul 1998 – Feb 2004)
- Clinical Training, Caja Nacional de Salud Hospital (Feb 2004 – Oct 2005)
- Dermatology Specialist, Hospital Universitario Japonés (University Hospital) (Mar 2011 – Feb 2014)
Professional Experience
- Medical Director, Erne Clinic (Oct 2023 – Oct 2024)
- Medical Director, Coel Clinic (Dec 2022 – Sep 2023)
- Medical Director, Woori Joeun Clinic (Apr 2022 – Nov 2022)
- Chief Director, Rejuva Clinic (Sep 2020 – Apr 2021)
- Chief Director, Renueva Skincare Clinic (Apr 2015 – Feb 2018)
- Director, Jorochito Dermatology Hospital (Apr 2014 – Mar 2015)
- Dermatology Specialist, Hospital Universitario Japonés (University Hospital) (Mar 2011 – Feb 2014)
Languages
- Spanish: Native-level proficiency
- English: Conversational level
Jang-seok Yoo
Board-Certified Specialist
Clinical interests
Cosmetic Skin and Hair Treatments · Skin Resurfacing with Laser Technology · Skin Pigmentation Treatment · Non-Surgical Body Contouring · Non-Surgical Thread Lift for Skin Tightening · Hair Loss Therapy and Restoration · Stem Cell Cosmetic Treatment · Skin Booster Injections
Education, experience & professional background
Position
- Chief Director, Diar Clinic
Education
- M.D., College of Medicine, Hanyang University
Academic & Training Experience
- Board-Certified Specialist & Clinical Professor, Paik Hospital
- Adjunct Professor, CHA University Hospital
- Completed Training Program, WONCA Europe Conference
- Clinical Professor, Edusky Hospital Coordinator Program
Career Experience
- Director, LO& Dermatology Clinic (Apgujeong / Sinchon Branches)
- Chief Director, MisoDream Dermatology Clinic
- Chief Director, N&U Plastic Surgery & Dermatology
- Director, Erne Clinic
- Director, Wonjin Plastic Surgery (Dermatology Department)
- Chief Director, Diar Clinic
Professional Societies
- Board Member, Korean Society of Stem Cell Aesthetic Plastic Surgery
- Korean Society of Aesthetic & Plastic Laser Medicine
- Korean Society of Aesthetic Plastic Medicine
- Korean Society of Laser Dermatology & Hair
- Korean Association of Aesthetic Surgery & Medicine
- Korean Society of Aesthetic Well-Being
- Korean Society for the Study of Obesity
- Korean Society of Obesity & Body Shape Medicine
Seong-cheon Lee
Board-Certified Specialist
Clinical interests
Hair Loss Therapy and Restoration · Fractional Laser Skin Resurfacing · Non-Surgical Thread Lift for Skin Tightening · Skin Resurfacing with Laser Technology · Skin Pigmentation Treatment · Stem Cell Cosmetic Treatment · Skin Booster Injections · Non-Surgical Body Contouring
Education, experience & professional background
Position
- Chief Director, Diar Clinic
Education
- M.D., College of Medicine, Hanyang University
- Board-Certified Specialist, Seoul National University
- Master of Public Health (M.P.H.), Health Policy & Management
Professional Roles & Honors
- Delegate, Korean Medical Association
- Member, National Medical Knowledge Improvement Committee
- President, Korean Public Health Doctors Association
- Completed Executive Program, Health Insurance Review & Assessment Service (HIRA)
- Commendation from the Minister of Health and Welfare
Career Experience
- Overwintering Doctor, King Sejong Station (Antarctica)
- Administrative Officer, Ministry of Health and Welfare Health Industry Policy Bureau
- Health Promotion Bureau
- Chief Director, HyoPlus Hospital
- Medical Director, Maple Hospital
- Medical Director, Seoul St. Mary’s Dermatology Clinic
- Medical Director, Parkview Dermatology Clinic
- Chief Director, Diar Clinic
Academic & Professional Societies
- Korean Association of Aesthetic & Plastic Laser Medicine
- Korean Society of Dermatology, Obesity & Aesthetic Medicine
- Korean Society for Stem Cell Therapy
ARRIVING AT THE CLINIC
Plan your visit
Location
10th Floor, KI Tower, 8, Gangnam-daero 69-gil, Seocho-gu, Seoul
Seocho, Seoul, South Korea
Telephone
+8225328828
Opening hours
Local time in Korea
- Monday
- 10:30–20:00
- Tuesday
- 10:30–20:00
- Wednesday
- 10:30–20:00
- Thursday
- 10:30–20:00
- Friday
- 10:30–20:00
- Saturday
- 10:30–17:00
Contact the clinic for your preferred appointment time and holiday arrangements.
A visit shaped around you
Share your preferred dates, the treatments you are considering and any doctor preference when you contact Diar Clinic. For interpreter arrangements, privacy preferences and support during your stay, speak with the clinic team.
Before you finalize your plans, discuss the proposed treatment, a personal fee estimate, recovery time and follow-up appointments. Let the team know your departure date so aftercare can be considered alongside your itinerary.
EXPLORE YOUR CARE
Before your consultation
Explore the treatment guides alongside Diar Clinic’s menu, then bring your preferences to the consultation.