Is it sufficient to receive teeth whitening just once? Typically, if I avoid alcohol, cigarettes, and coffee, how many sessions would I need?

Hello, this is Rien Dental Clinic, accompanying your bright smile at every moment. ^^ The number of treatments may vary depending on the tooth color. Typically, one to three sessions are conducted in a day, and it is recommended to start treatment after a more accurate diagnosis. If you apply for a consultation via CashDoc, we will assist you with a prompt consultation at the hospital. Please apply at the bottom of the hospital event detail page! Thank you. ^^

I need orthodontic treatment.

Hello. ^^ This is New En Dental Clinic. ^^ New En Dental Clinic, renowned for teeth whitening, also offers orthodontic treatments. ^^ Please leave your name and contact information, and we will assist you promptly. If you request a consultation through CashDoc, our hospital will provide you with quick assistance. Please apply at the bottom of the hospital event detail page! Thank you. ^^

Yes, during teeth whitening, how long is the light applied?

Hello~ ^^ Dear Customer, the tooth whitening light treatment lasts for 15 minutes per session.

How long does the light treatment during whitening therapy last?

Hello :) The light treatment is conducted in three sessions, each lasting 15 minutes. The One-Day Teeth Whitening requires a minimum of 1 to 1.5 hours from preparation to completion. If you apply for a consultation through CashDoc, our hospital will assist you promptly. Please apply at the bottom of the hospital event detail page! Wishing you a great day today!

Hello, is the cost for one session of teeth whitening?

Hello~ ^^ Dear Customer, this is the cost for three sessions of tooth whitening.

Teeth Whitening effects, reviews, and prices (2026)

BEFORE & AFTER

Teeth Whitening Before & After

Cases with verified shooting conditions and procedure details are shown first.

Before
After
Rating 5.0 out of 5
2023.05.14
Myeongdong Dental Clinic30-Minute Complete Teeth Whitening Program
Because I had orthodontic treatment and drank a lot of coffee, my teeth had become yellow, so I wanted to get teeth whitening. While looking into where to have it done, I found it through Eodiseo, and the reviews were good, so I requested a consultation, made an appointment, and visited. I had three treatments and am very satisfied. I had the first and second sessions done at once on the first day, and the third session a week later. I’m also glad that I didn’t experience any sensitivity.
Before
After
Rating 5.0 out of 5
2023.02.26
Myeongdong Dental Clinic30-Minute Complete Teeth Whitening Program
They were very kind. Before getting the treatment, I wasn’t sure if it would really work, but I had three sessions in total. I had the second session about two and a half weeks after the first, and it really was effective. The sensitivity may vary from person to person, but mine only lasted for a short while. I’m satisfied!! The photos were taken before the second session and after the third session.
Before
After
Rating 5.0 out of 5
2023.12.3018
Orun Dental ClinicTeeth Whitening in 30 Minutes
I had one session, and it has brightened a bit. I've been busy with work and couldn't have the second treatment, but I'm planning to schedule it again in the new year ^^

Photos may look different depending on shooting conditions, and results vary from person to person even with the same procedure. The text shown with a photo is an excerpt from that review; the full text is in the review section.

476 verified reviews

Rating 5.0 out of 5
UnverifiedNew Yonsei Dental Clinic
I visited the dentist for teeth staining, and the doctor did a great job removing the stains and also whitened my teeth. The staff were friendly and the facility was clean.
2024.02.18
Rating 5.0 out of 5
UnverifiedChungmuro Dental Clinic
I visited for teeth whitening. The doctor was really skilled and explained the whitening process and results very well. The staff were friendly, and the facility was clean as well.
2024.03.09
Rating 5.0 out of 5
UnverifiedJahayun Dental Clinic
I visited for teeth whitening. The doctor was really skilled and explained the whitening process and expected results well. The staff were friendly, and the facilities were clean.
2024.03.05
Rating 5.0 out of 5
UnverifiedYoung Dental Clinic
I visited for teeth whitening. The doctor was really skilled, and they explained the process and results of the whitening very well. The staff was friendly, and the facilities were clean.
2024.03.27
Rating 5.0 out of 5
UnverifiedSinchon Beautiful Smile Dental Clinic
I visited for teeth whitening. The doctor was really skilled and explained the whitening process and results well. The staff were friendly, and the facility was clean.
2024.03.23
Rating 5.0 out of 5
UnverifiedHuran Dental Clinic
I visited for teeth whitening. The doctor was really skilled and explained the whitening process and results well. The staff were friendly, and the facility was clean.
2024.03.16
Rating 5.0 out of 5
UnverifiedSeoul Myung In Dental Clinic
I visited for teeth whitening. The doctor was really skilled and explained the process and results well. The staff were friendly and the facility was clean.
2024.03.15
Rating 5.0 out of 5
UnverifiedE Joheun Dental Clinic
I visited for teeth whitening. The doctor was really skilled and explained the process and results of the whitening very well. The staff was friendly, and the facility was clean.
2024.03.28
Rating 5.0 out of 5
UnverifiedRev Dental Clinic
I just visited the dental whitening clinic. It's the building right after Starbucks, coming up from Exit 1 of Sinsa Station. It's easy to find because of the revolving door. I came for teeth whitening and I am satisfied.
2025.12.213
Rating 5.0 out of 5
UnverifiedKind Smile Dental Clinic
I hesitated about getting teeth whitening, but after proceeding with the treatment, the results were so great that I gained confidence afterwards.
2024.04.19
Rating 5.0 out of 5
UnverifiedBang Taehyun Dental Clinic
The whitening treatment I received at the dentist was great. My teeth are white, shiny, and my smile has brightened up.
2024.02.03
Rating 5.0 out of 5
UnverifiedNew York Dental Clinic
I had a consultation for teeth whitening, and it turns out the cost isn't as burdensome as I thought... They say the results are good, so I need to decide soon.
2025.07.01
Rating 5.0 out of 5
UnverifiedJ Style Dental Clinic
I visited because I had tooth discoloration. The doctor was very thorough in the examination and explained the methods for cleaning and whitening my teeth really well. The staff were also friendly, and the facilities were modern and clean.
2024.03.132
Rating 5.0 out of 5
UnverifiedKim & Jung Smile Dental Clinic
I received a consultation for teeth whitening, and it turns out the cost isn't as high as I thought.. I've heard the results are good, so I need to decide soon.
2025.07.16
Rating 5.0 out of 5
UnverifiedJiwell DS Dental Clinic
I had a consultation for teeth whitening, and it turns out the cost isn't as burdensome as I thought... They say the results are good, so I need to decide soon.
2025.06.26
Rating 5.0 out of 5
UnverifiedSeoul Bajeong Dental Clinic
I had a consultation for teeth whitening, and it turns out the cost isn't as burdensome as I thought... They say the results are good, so I need to decide soon.
2025.06.12
Rating 5.0 out of 5
UnverifiedDental Signal Dental Clinic
I had a consultation for teeth whitening, and the cost is not as burdensome as I thought.. I've heard the results are good, so I should decide soon.
2025.06.12
Rating 5.0 out of 5
UnverifiedLaon Plus Dental Clinic
I came in for a consultation for teeth whitening. I was referred by a friend and they provided really thorough guidance.
2026.01.06
Rating 5.0 out of 5
UnverifiedKim Joon-cheon Dental Clinic
I went for a consultation about teeth whitening. I went based on a friend's recommendation, and they took great care in examining me.
2025.11.29
Rating 5.0 out of 5
UnverifiedSeoul Smiling Face Dental Clinic
I had a consultation for teeth whitening, and it turns out the cost isn't as burdensome as I thought... They say the results are good, so I think I need to decide soon.
2025.07.09

/* JS가 없으면 「더보기」를 누를 수 없으니 쪽 이동 앵커를 흐름으로 되돌립니다. 래퍼 높이만 풀면 됩니다. nav는 평범한 블록이라 그대로 자리를 차지합니다. */ [data-review-nav-clip] { height: auto; overflow: visible; }

Ongoing Procedures

Find hospitals Compare all prices

5 frequently asked questions

Is it sufficient to receive teeth whitening just once? Typically, if I avoid alcohol, cigarettes, and coffee, how many sessions would I need?
Hello, this is Rien Dental Clinic, accompanying your bright smile at every moment. ^^ The number of treatments may vary depending on the tooth color. Typically, one to three sessions are conducted in a day, and it is recommended to start treatment after a more accurate diagnosis. If you apply for a consultation via CashDoc, we will assist you with a prompt consultation at the hospital. Please apply at the bottom of the hospital event detail page! Thank you. ^^
Transform Yellow Teeth into Shining White Teeth · Lien Dental Clinic · 2025-02-27
I need orthodontic treatment.
Hello. ^^ This is New En Dental Clinic. ^^ New En Dental Clinic, renowned for teeth whitening, also offers orthodontic treatments. ^^ Please leave your name and contact information, and we will assist you promptly. If you request a consultation through CashDoc, our hospital will provide you with quick assistance. Please apply at the bottom of the hospital event detail page! Thank you. ^^
Bright White Smile, Whitening Specialist New En Dental! · Newen Dental Clinic · 2025-02-03
Yes, during teeth whitening, how long is the light applied?
Hello~ ^^ Dear Customer, the tooth whitening light treatment lasts for 15 minutes per session.
Transform Yellow Teeth into Shining White Teeth · Lien Dental Clinic · 2024-10-21
How long does the light treatment during whitening therapy last?
Hello :) The light treatment is conducted in three sessions, each lasting 15 minutes. The One-Day Teeth Whitening requires a minimum of 1 to 1.5 hours from preparation to completion. If you apply for a consultation through CashDoc, our hospital will assist you promptly. Please apply at the bottom of the hospital event detail page! Wishing you a great day today!
Confidently Smile One-Day Teeth Whitening - 3 Sessions · Good Sense Dental Clinic · 2024-10-17
Hello, is the cost for one session of teeth whitening?
Hello~ ^^ Dear Customer, this is the cost for three sessions of tooth whitening.
Transform Yellow Teeth into Shining White Teeth · Lien Dental Clinic · 2024-10-17

Teeth Whitening effects, reviews, and prices

Teeth Whitening Before & After

476 verified reviews

Ongoing Procedures

5 frequently asked questions

Related Treatments