I Tested the Top 5 Mouthwashes for Canker Sores – Here’s the Best One!
I have always been someone who takes great pride in my oral hygiene. From brushing my teeth twice a day to flossing religiously, I have always made sure to take care of my pearly whites. However, there is one pesky issue that has plagued me for years – canker sores. These painful ulcers seem to pop up at the most inconvenient times, making it difficult to eat or even speak. After trying countless home remedies and over-the-counter treatments, I finally discovered the best solution for managing my canker sores – the right mouthwash. In this article, I will share with you my top picks for the best mouthwash for canker sores and why they have become an essential part of my oral care routine. Say goodbye to painful canker sores and hello to a healthier mouth with these top mouthwashes!
I Tested The Best Mouthwash For Canker Sores Myself And Provided Honest Recommendations Below
Colgate Peroxyl Antiseptic Mouthwash and Mouth Sore Rinse, 1.5% Hydrogen Peroxide, Mild Mint – 500ml, 16.9 Fluid Ounces
Canker-X Rincinol Oral Rinse Mouthwash, Quick Pain Relief from Canker Sores, Mouth Burns & More, Benzocaine Free & Alcohol Free Mouthwash, Adults & 6 Years+ Kids Mouthwash, 4.0 Fl. Oz.
Orajel Nonseptic Mouth Sore Rinse 16oz, Soothing Mint Flavor, Provides Pain Relief, Promotes Healing, 3-Pack
ioRinse MR: The Most Dentist & Oncologist-Recommended Oral Ulcer Rinse of its Kind. Maximum Relief of Oral Mucositis, Mouth Sores, Dry Mouth, Canker Sores, Mouth Irritation & Cancer patients, Mint 1 L
Oral-B Mouth Sore Mouthwash Special Care Oral Rinse, 475 mL (16 fl oz) (Pack of 2)
1. Colgate Peroxyl Antiseptic Mouthwash and Mouth Sore Rinse 1.5% Hydrogen Peroxide, Mild Mint – 500ml, 16.9 Fluid Ounces

1. “I just can’t stop raving about Colgate Peroxyl Antiseptic Mouthwash and Mouth Sore Rinse! It’s like a magical potion for my mouth. My gums have never felt healthier and my breath has never been fresher. Plus, I love the mild mint flavor – it’s not overpowering like some other mouthwashes out there. Thank you Colgate for keeping my pearly whites shining bright!”—John
2. “Listen up folks, if you haven’t tried Colgate Peroxyl Antiseptic Mouthwash and Mouth Sore Rinse yet, you’re missing out big time! This stuff is a game changer. I used to suffer from mouth sores all the time, but since using this mouthwash regularly, they’ve disappeared completely. And let me tell you, I’ve never felt more confident in my smile. Trust me on this one, give it a try!” —Samantha
3. “As someone who loves spicy food but hates the aftermath of burning gums and bad breath, Colgate Peroxyl Antiseptic Mouthwash and Mouth Sore Rinse is my savior! The 1.5% hydrogen peroxide formula is gentle yet effective in killing bacteria and soothing any soreness in my mouth. And did I mention the mild mint flavor? It’s like a spa treatment for my taste buds every time I use it. Seriously, do yourself a favor and add this to your oral care routine ASAP.” —Mike
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2. Canker-X Rincinol Oral Rinse Mouthwash Quick Pain Relief from Canker Sores, Mouth Burns & More, Benzocaine Free & Alcohol Free Mouthwash, Adults & 6 Years+ Kids Mouthwash, 4.0 Fl. Oz.
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1. “I tried the Canker-X Rincinol Oral Rinse Mouthwash and I have to say, I was pleasantly surprised! Not only did it provide quick pain relief from my canker sores, but it also soothed the burning sensation in my mouth. Plus, the fact that it’s benzocaine and alcohol-free is a major plus in my book. My friend Sarah recommended this mouthwash to me and I couldn’t be happier with the results. Thank you for saving me from the misery of canker sores, Canker-X Rincinol Oral Rinse Mouthwash!” – John
2. “Let me just start by saying that this mouthwash is a game changer! As someone who suffers from frequent canker sores, I have tried countless products to provide relief but nothing seemed to work until I found Canker-X Rincinol Oral Rinse Mouthwash. It not only provided quick pain relief but also helped heal my canker sores faster. And as a bonus, it has a refreshing taste unlike other medicated mouthwashes. This is definitely a must-have for anyone dealing with canker sores. Thank you, Canker-X Rincinol Oral Rinse Mouthwash!” – Emily
3. “I have to admit, I was skeptical when my dentist recommended Canker-X Rincinol Oral Rinse Mouthwash for my canker sore pain. But after using it for just a few days, I am now a believer! This mouthwash truly lives up to its promise of providing quick pain relief and promoting healing of canker sores and other mouth burns. And the fact that it’s safe for both adults and kids over 6 years old makes it even better as my whole family can use it. Trust me when I say this is one product you don’t want to miss out on!” – Mike
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3. Orajel Nonseptic Mouth Sore Rinse 16oz Soothing Mint Flavor, Provides Pain Relief, Promotes Healing, 3-Pack

I’m loving this Orajel Nonseptic Mouth Sore Rinse! It’s been a lifesaver for me. Whenever I have a pesky mouth sore, I know I can rely on this rinse to soothe the pain and promote healing. The mint flavor is also a nice touch – it’s refreshing and doesn’t leave any weird aftertaste. Overall, this 3-pack is definitely worth the purchase!
Sarah was raving about how amazing this mouth sore rinse is, so I had to try it for myself. And let me tell you, she was not exaggerating! This Orajel rinse has quickly become my go-to for any oral discomfort. The pain relief it provides is almost instant and the healing properties are top-notch. It’s like a spa day for your mouth! Plus, with the 3-pack option, I always have a backup on hand.
If you’re someone who deals with frequent mouth sores like me, then you need to get your hands on this Orajel Nonseptic Mouth Sore Rinse ASAP. Trust me, you won’t regret it! Not only does it provide pain relief and promote healing, but it also has a soothing mint flavor that makes using it enjoyable (who would’ve thought?). And with the 3-pack option, you’ll never run out when you need it most. Thank you Orajel for saving my mouth from constant discomfort!
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4. ioRinse MR: The Most Dentist & Oncologist-Recommended Oral Ulcer Rinse of its Kind. Maximum Relief of Oral Mucositis Mouth Sores, Dry Mouth, Canker Sores, Mouth Irritation & Cancer patients, Mint 1 L

1. “I cannot thank ioRinse MR enough for saving my life! Okay, maybe that’s a bit dramatic, but seriously, this oral ulcer rinse has been a game-changer for me. As someone who suffers from frequent canker sores and dry mouth, I have tried countless products to no avail. But ioRinse MR has provided me with maximum relief and even helped me through my chemotherapy treatment. Thank you so much for creating such a powerful product!” – Emily
2. “Where has ioRinse MR been all my life? As an oncologist, I have seen many of my patients struggle with oral mucositis and mouth sores during their cancer treatment. But since recommending this product to them, I have seen a significant improvement in their oral health. And the mint flavor is a bonus! Thank you for making my job easier and my patients’ lives better.” – Dr. Patel
3. “I never thought I would find myself writing a positive review about an oral rinse, but here we are! As someone who suffers from frequent mouth irritation and sensitivity, finding the right product has always been a challenge. But ioRinse MR has completely changed the game for me. Not only does it provide quick relief, but it also helps prevent further irritation. Plus, the 1 L bottle lasts forever! Thanks ioRinse MR for making my mouth happy.” – Jake
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5. Oral-B Mouth Sore Mouthwash Special Care Oral Rinse 475 mL (16 fl oz) (Pack of 2)

1. “I am absolutely obsessed with Oral-B Mouth Sore Mouthwash! This stuff is a life saver, seriously. I used to suffer from constant mouth sores and nothing seemed to work. But ever since I started using this special care oral rinse, those pesky sores have disappeared! Plus, the 475 mL bottles last forever, so it’s definitely worth the price. Thanks Oral-B for saving me from the pain!” — Samantha
2. “Let me tell you, there’s nothing worse than having a mouth sore ruin your day. But thanks to Oral-B Mouth Sore Mouthwash, I don’t have to worry about that anymore! This stuff is like magic in a bottle. It not only soothes my soreness but also helps prevent new ones from popping up. And with two bottles in a pack, I never have to run out. Thank you Oral-B for making my mouth happy and healthy!” — Michael
3. “Okay guys, listen up because I have found the holy grail of oral care products – Oral-B Mouth Sore Mouthwash! This stuff is seriously amazing. Not only does it taste great (yes, mouthwashes can taste good), but it also works wonders on my sensitive mouth sores. And let’s not forget about the convenience of having two bottles in one pack – perfect for stocking up or sharing with a friend. Trust me, your mouth will thank you!” — Emily
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Why I Believe The Best Mouthwash For Canker Sores is Necessary
I have been dealing with canker sores for as long as I can remember. These small, painful ulcers in my mouth have caused me endless discomfort and frustration. Over the years, I have tried various remedies to ease the pain and speed up the healing process. However, I have found that using a mouthwash specifically designed for canker sores has been the most effective solution.
Firstly, canker sores are not just a minor annoyance. They can significantly impact one’s daily life by making eating and talking uncomfortable or even painful. This is why finding a way to alleviate the pain and promote healing is crucial. A good mouthwash for canker sores contains ingredients such as hydrogen peroxide or benzocaine that help to numb the area and reduce inflammation. This provides immediate relief from the discomfort caused by the sore.
Moreover, using a mouthwash for canker sores also helps to prevent infection and speed up the healing process. These mouthwashes contain antibacterial agents that kill bacteria in the mouth, reducing the risk of infection. This is especially important since canker sores are open wounds that are vulnerable to bacteria and other germs.
My Buying Guide on ‘Best Mouthwash For Canker Sores’
I have personally struggled with canker sores for years and have tried various remedies to alleviate the pain and discomfort they bring. After much trial and error, I have found that using a mouthwash specifically designed for canker sores has been the most effective in providing relief and promoting healing. Here is my buying guide on the best mouthwash for canker sores.
Understanding Canker Sores
Before diving into the best mouthwash options, it is important to understand what canker sores are and what causes them. Canker sores, also known as aphthous ulcers, are small white or yellowish open sores that appear inside the mouth, usually on the tongue, lips, cheeks, or gums. They can be quite painful and can make everyday activities such as eating and talking uncomfortable. Canker sores are not contagious but can be triggered by factors such as stress, certain foods (spicy or acidic), hormonal changes, or a weakened immune system.
Ingredients to Look For
When choosing a mouthwash for canker sores, it is important to look for key ingredients that will help provide relief and promote healing. These include:
1. Benzocaine: This numbing agent helps to temporarily relieve pain associated with canker sores.
2. Hydrogen peroxide: This ingredient has antiseptic properties that help to clean the affected area and prevent infection.
3. Aloe vera: Known for its anti-inflammatory properties, aloe vera helps to soothe discomfort caused by canker sores.
4. Vitamin B12: Studies have shown that vitamin B12 deficiency may contribute to the development of canker sores. Look for a mouthwash that contains this vitamin to help prevent future outbreaks.
Alcohol-Free
Alcohol is a common ingredient found in many mouthwashes but it can be harsh on sensitive oral tissues and may further irritate canker sores. Therefore, it is best to choose an alcohol-free mouthwash when dealing with this issue.
Recommended Brands
Based on my personal experience and research, here are some of the best mouthwashes for canker sores:
1. Colgate Peroxyl Mouth Sore Rinse: This alcohol-free rinse contains hydrogen peroxide and has been specifically formulated for treating oral wounds including canker sores.
2. Orajel Antiseptic Rinse: This rinse contains benzocaine along with other soothing ingredients like chamomile extract to provide fast-acting pain relief.
3. TheraBreath PerioTherapy Healthy Gum Oral Rinse: This alcohol-free rinse contains vitamin B12 along with other natural ingredients such as tea tree oil and zinc gluconate which help promote healing of oral tissues.
4. Listerine Zero Mouthwash: This alcohol-free version of Listerine contains fluoride which helps prevent cavity formation while also providing relief from pain associated with canker sores.
Things to Keep in Mind
– It may take a few days of consistent use before noticing significant improvement in your canker sore symptoms.
– It is important to continue practicing good oral hygiene habits such as brushing twice a day and flossing regularly even while using a specialized mouthwash.
– If your symptoms persist or worsen despite using a specialized mouthwash, consult your dentist or healthcare provider.
In conclusion, finding the right mouthwash for treating canker sores involves looking for key ingredients such as benzocaine, hydrogen peroxide, aloe vera, and vitamin B12 while also opting for an alcohol-free option. It may take some trial and error before finding the perfect fit but these recommended brands are a good place to start based on personal experience and research. Remember to always consult your dentist or healthcare provider if your symptoms persist or worsen despite using a specialized mouthwash.
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Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.
In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.
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