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TeethWhiteningStain removalNon-invasive

Teeth Whitening effects, reviews, and prices

How long do teeth whitening results last?

Also known as · Teeth whitening, In-office whitening, Home whitening

Teeth whitening is a treatment that brightens the color of your teeth using a whitening agent.

Common concerns

Yellowing teethCoffee stainsTeeth look dark in photos
Based on clinic deals ₩54,000 ~ ₩330,000

BEFORE & AFTER

Teeth Whitening Before & After

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

  • Before treatment — 30-Minute Complete Teeth Whitening ProgramBefore
    After treatment — 30-Minute Complete Teeth Whitening ProgramAfter
    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 treatment — 30-Minute Complete Teeth Whitening ProgramBefore
    After treatment — 30-Minute Complete Teeth Whitening ProgramAfter
    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 treatment — Teeth Whitening in 30 MinutesBefore
    After treatment — Teeth Whitening in 30 MinutesAfter
    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
    UnverifiedStory Dental Clinic

    I visited because I wanted teeth whitening. The doctor made an accurate diagnosis and explained the whitening methods well. The staff was friendly, and the facilities were spacious and comfortable.

    2024.02.25
  • Rating 5.0 out of 5
    UnverifiedThe More Comfortable Dental Clinic

    I visited because I wanted teeth whitening. The doctor made an accurate diagnosis and explained the whitening options well. The staff were friendly, and the facility was spacious and comfortable.

    2024.03.11
  • Rating 5.0 out of 5
    UnverifiedShin Yeon Dental Clinic

    I visited because I wanted teeth whitening. The doctor gave me an accurate diagnosis and explained the whitening options clearly. The staff were also friendly, and the facility was spacious and comfortable.

    2024.04.01
  • Rating 5.0 out of 5
    UnverifiedDongsan Dental Clinic

    I visited because I wanted to get teeth whitening. The doctor made an accurate diagnosis and explained the whitening options well. The staff were friendly, and the facility was spacious and comfortable.

    2024.03.25
  • Rating 5.0 out of 5
    UnverifiedOur Dental Clinic

    I visited because I wanted teeth whitening. The doctor diagnosed me accurately and explained the whitening options clearly. The staff were all friendly, and the facility was spacious and comfortable.

    2024.03.23
  • Rating 5.0 out of 5
    UnverifiedJeongseong Dental Clinic

    I visited because I wanted to get my teeth whitened. The doctor made an accurate diagnosis and explained the whitening methods well. The staff were friendly, and the facilities were spacious and comfortable.

    2024.03.16
  • Rating 5.0 out of 5
    UnverifiedSowon Dental Clinic

    I visited because I wanted to get my teeth whitened. The doctor gave me an accurate diagnosis and explained the whitening options very well. The staff were also friendly, and the facility was spacious and comfortable.

    2024.03.29
  • Rating 5.0 out of 5
    UnverifiedOnce Dental Clinic

    I visited because I wanted to get my teeth whitened. The doctor made an accurate diagnosis and explained the whitening options clearly. The staff were also friendly, and the facility was spacious and comfortable.

    2024.02.27
  • Rating 5.0 out of 5
    UnverifiedDongdaemun Seoul Samsung Dental Clinic

    I visited because I wanted teeth whitening. The doctor made an accurate diagnosis and explained the whitening options well. The staff were also friendly, and the facility was spacious and comfortable.

    2024.03.22
  • Rating 5.0 out of 5
    UnverifiedMiso Dental Clinic

    I visited because I wanted to get my teeth whitened. The doctor gave me an accurate diagnosis and explained the whitening options well. The staff were also friendly, and the facility was spacious and comfortable.

    2024.03.15
  • Rating 5.0 out of 5
    UnverifiedChoi Woong Dental Clinic

    I visited because I wanted teeth whitening. The doctor made an accurate diagnosis and explained the whitening options clearly. The staff were friendly, and the facility was spacious and comfortable.

    2024.03.13
  • Rating 5.0 out of 5
    UnverifiedRev Dental Clinic

    I personally experienced teeth whitening at Rev Dental Clinic. From the consultation, I felt that everything was very thorough, and I was reassured by their recommendations for whitening methods that took into account the condition of my teeth and my lifestyle. They also showed me before-and-after photos, making it easy to see the changes, and there was hardly any sensitivity, which made it comfortable. The doctor regularly checked in on my condition and explained everything in detail, which made me feel at ease. Overall, they only proceeded with what was necessary without any excessive recommendations, which I appreciated. After the whitening, my teeth brightened to a naturally pleasant tone, and I’m very satisfied. I plan to visit again for teeth whitening and would like to recommend this clinic to those around me! I’ll be back soon for another whitening session.

    2026.01.31
  • Rating 5.0 out of 5
    UnverifiedSeongmi Dental Clinic

    I received teeth whitening treatment. The doctor is very kind, and the care is meticulous. The whitening product is certified by the FDA, which gives me confidence. The facility is clean, and I felt cared for throughout the treatment. The accessibility is good, and I highly recommend this place.

    2024.02.29
  • Rating 5.0 out of 5
    UnverifiedRev Dental Clinic

    Since I usually drink coffee quite often, I started to feel that my teeth looked yellower than before at some point. Even when I took pictures, I became conscious of my smile and thought I should try teeth whitening.

    2026.03.09
  • Rating 5.0 out of 5
    UnverifiedSeoul Dental Clinic

    One of my complexes was my yellow teeth. So, I did some research and heard great reviews about Seoul Su Dental Clinic near my home for whitening, so I decided to give it a try. First of all, the staff here were super friendly, and most importantly, the doctor was incredibly thorough during the consultation, which I really appreciated! I mentioned that I often eat curry and drink coffee, which I thought contributed to my yellow teeth, and they were very understanding, so I felt comfortable during my visit. The whitening took about an hour, and the difference was unbelievable! My previously yellow teeth turned completely white, which was so surprising. These days, there are many DIY teeth whitening methods available, but I believe it's best to do it safely at a dental clinic. I'm really satisfied and wanted to leave this review about my wonderful teeth whitening experience.

    2026.01.28
  • Rating 5.0 out of 5
    UnverifiedEungam Good Morning Dental Clinic

    I just went for teeth whitening treatment. A friend introduced me to this place, and since my friend is quite picky, I had high expectations. The doctor's kind care was just as expected, and they only use whitening products that are approved by the Ministry of Food and Drug Safety. The facility is equipped with the latest technology, which adds to my trust in them, and the staff were so friendly that I was able to receive treatment comfortably. I recommend this place.

    2024.03.26
  • Rating 5.0 out of 5
    UnverifiedJeon Young-Soo Dental Clinic

    I just had a teeth whitening procedure done. After looking around at various places, I found that this one had the best reviews, and meeting the doctor really confirmed that I made a good choice. They have both skill and kindness, and they explained everything in detail before we started the treatment. The results are beautiful, and I feel like I made the right decision.

    2025.02.071
  • Rating 5.0 out of 5
    Unverifiede-Plant Dental Clinic

    Since I drink coffee often, my teeth started to feel increasingly yellow, so I went for a teeth whitening consultation. From my very first visit, they checked my current dental condition without pushing for excessive treatments, which made me trust them. The doctor patiently explained the causes of discoloration and the differences between whitening methods, as well as how long the results would last, making it easy to understand. After the consultation, we proceeded with the professional whitening right away. They carefully applied a gum protectant first, then applied the whitening agent and used a special light. They kept checking in to ensure I was comfortable, and there was hardly any sensitivity during the treatment. My teeth were significantly brighter after just one session, and I was thrilled when I looked in the mirror. After the treatment, they provided detailed instructions on how to maintain the color and what foods to avoid, which made it easy to take care of my teeth.

    2026.02.01
  • Rating 5.0 out of 5
    UnverifiedLee Hae-kyu Dental Clinic

    I went for teeth whitening treatment. A friend recommended this place, saying it was good, so I decided to check it out. The doctor was indeed kind and seemed really skilled. They use a whitening product that's certified by the FDA, which gives me confidence. Parking is convenient and the traffic is good as well. I highly recommend it.

    2024.03.281
  • Rating 5.0 out of 5
    UnverifiedYonsei Rua Dental Orthodontics Clinic

    This was my first experience with teeth whitening, and it was even more satisfying than I expected. Before the procedure, I was worried that my teeth might feel extremely sensitive or uncomfortable, but the detailed explanations during the consultation helped me feel at ease. The procedure itself was quicker and more comfortable than I thought, and all the staff and the doctor were so kind, which made the experience even better. After the procedure, when I looked in the mirror, I could clearly see that my teeth were noticeably brighter, which made me feel good, and I gained confidence when I smiled. They carefully guided me on how to take care of my teeth and what to watch out for, which was very helpful. I would recommend this to anyone considering teeth whitening for the first time, and I also plan to return for regular maintenance.

    2026.07.21

Ongoing Procedures

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. ^^

  • 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. ^^

  • 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!