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💧 Elevate your smile game—floss smarter, not harder!
The COSLUS C30 cordless water flosser delivers powerful 1400-1800 pulses per minute with adjustable pressure modes, housed in a sleek, portable design featuring a large 300ML tank. Its IPX7 waterproof rating and 3-year durability make it perfect for home, travel, or office use. With a 30-day battery life on a quick 3-hour charge and smart memory function, it offers a customizable, efficient, and hygienic flossing experience for all ages and dental needs.













| ASIN | B0D8SSWRY6 |
| Benefits | Multiple Operation Modes,Multiple Pressure Settings,Multiple tips,Portable,Lightweight,Rechargeable,Gum Health |
| Best Sellers Rank | 4,640 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 23 in Power Flossers & Irrigators |
| Brand | COSLUS |
| Brand Name | COSLUS |
| Colour | Glossy Black |
| Country Of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 7,367 Reviews |
| Item Dimensions | 22.1 x 8.4 x 7.1 centimetres |
| Item Weight | 429.9 Grams |
| Manufacturer | COSLUS |
| Manufacturer Part Number | C30(FC5360) |
| Material Type | Plastic |
| Model Name | C30(FC5360) |
| Model Number | C30(FC5360) |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product benefits | Multiple Operation Modes,Multiple Pressure Settings,Multiple tips,Portable,Lightweight,Rechargeable,Gum Health Product benefits Multiple Operation Modes,Multiple Pressure Settings,Multiple tips,Portable,Lightweight,Rechargeable,Gum Health See more |
| Recommended Uses For Product | Oral care, interdental cleaning, plaque reduction, improving gum health |
| Special Features | Portable |
| Special feature | Portable |
| Specification Met | CE, IPX7 |
| Tank Volume | 300 Millilitres |
| Target Use Body Part | Teeth |
| Unit Count | 1 count |
| Unit count | 1 count |
M**Y
Excellent purchase
This is the best purchase I’ve made in a long time! It does exactly what it says on the box. I recently saw the hygienist at my dentist in preparation for my aligners and was told I’m not flossing properly-I’ve been using this since and my mouth feels clean and fresh. It’s removing what brushing doesn’t. The first use took some practice. Lean over the sink and close your mouth loosely around the attachment (otherwise you end up with water everywhere!) allowing the water to fall out of your mouth as you go. Once you get going it’s easy. I’ve charged it once and used for a week so far-still feels like full power and showing no signs of needing a charge yet. I’ve only used the basic attachment so far so can’t comment on the others.
M**Y
Good power, durable and effective
Good power and variation of settings. Rechargeable, with waterproof charger cover. Nice design and feel. Durability is good, the charger lasts for a long time between charges. Noise level is medium. The size is large but I like this as it gives a good quality clean.
L**N
Worth buying
Great product works well, charges and works everytime, different settings to be used, easy to use my 8 year old uses it aswell. Only disadvantage it does build up limescale on it so needs cleaning every so often
M**L
Best buy
Charge on this lasts ages. Works perfectly. Easy to fill and clean the water container
B**E
Great but fragile
Great flosser, large tank and very adjustable until I dropped it onto the sink from 10 cm, now will switch on but the motor doesn’t turn and it won’t pump water. Could understand if I’d dropped it onto the floor or even a slightly bigger distance. Unreasonably fragile.
M**N
Good product
Work really well at a good price. Everyone should have one just don’t use cold water as it hits a nerve or two
A**R
Great gift and highly effective!
I purchased this Coslos water flosser as a gift for my partner, and he is really happy with it. It’s been a fantastic addition to his routine—the water reservoir is impressively large, meaning fewer refills, and he loves having so many different heads to choose from. Overall, we are both very pleased with this purchase!
R**P
Good for the price.
I have tried more expensive flossers and this does the job just as well. the only issue I have is that the position of the control buttons means you can accidently turn it on when you don't want to or change the setting whilst using it. I have squirted myself and the bathroom and as the pressure is quite high it can come as a bit of a shock. I am getting more used to it now and as I say, it does a good job.
L**Y
Best water flosser
This is an amazing water flosser. I’ve had this for over a month now and its probably the best water flosser i’ve ever used! Here are a few pros and cons: Pros: Cleans teeth extremely well Easy storage (for travelling) Charges in 1-2 hours Accessible use and 4 modes for beginners Cons: The charge goes down after 10 uses So far, i’ve had amazing experiences with this product. Must Buy!!
K**E
LOVE this Product
I bought 2 of these for my daughter and I - we love them. I have never used before - so I did a lot of research. COSLUS really has made a quality product. PLUS their customer service is just as wonderful! These water flossers have definitely made a difference in our teeth cleaning game - very happy to have found this quality tool.
M**B
Kleiner dental Hochdruck-Reiniger :-)
Die COSLUS Munddusche ist ein echtes Kraftpaket, besonders in der höchsten Stufe. Wer’s drauf anlegt, kann sich damit locker das Zahnfleisch verletzen – also Vorsicht. Aber zum Glück gibt’s mehrere Modi, darunter auch eine Puls- Pause Funktion, die ich persönlich als sehr angenehm empfinde. Die Stärke einer Stufe lässt sich auch frei einstellen, sodass für jeden was dabei ist. Der Wassertank mit 300 ml reicht locker für eine gründliche Reinigung, allerdings geht eine Füllung beim Putzen schon gut durch. Das ist aber kein Problem da das nachfüllen richtig einfach ist. Habe es auch mal mit ein paar Tropfen Minzöl und auch Mundpflege im Wasser experimentiert – funktioniert super und sorgt für ein frisches Gefühl. Die Reinigungsleistung ist insgesamt wirklich stark. Der Akku ist auch kein Thema: Einmal aufgeladen, hält er locker eine Woche oder mehr durch. Praktisch ist, dass der Akku per mitgelieferten USB-Kabel geladen wird – allerdings wird kein Ladegerät mitgeliefert. Das finde ich aber ökologisch sinnvoll, denn schließlich hat jeder von uns schon ein solches Ladegerät zu Hause. Das Gerät ansich ist zwar etwas groß und unhandlich, und die Bedienung ist am Anfang etwas fummelig, aber man gewöhnt sich schnell daran. Der Spritzkopf lässt sich drehen, was das Handling sehr erleichtert. Einziger kleiner Haken: Der Ansaugschlauch kann in der Luft hängen, wenn der Tank leer wird, aber das lässt sich verschmerzen. Fazit: Kräftige Munddusche mit super Reinigungsleistung und ordentlicher Akkulaufzeit. Wer mit der Größe, der kräftigen Power und der etwas fummeligen Bedienung am Anfang klarkommt, hat hier ein solides Gerät. Vorteile: - Starke Reinigungsleistung, besonders auf höchster Stufe - Mehrere Modi zur Auswahl, darunter angenehmer Puls-Pause-Modus - 300 ml Wassertank, ausreichend für eine gründliche Reinigung - Akku hält lange, bis zu einer Woche oder mehr - Akku per USB-Kabel aufladbar, Ladegerät nicht im Lieferumfang (ökologisch sinnvoll) - Drehbarer Spritzkopf erleichtert die Handhabung Nachteile: - Sehr kräftig auf höchster Stufe, kann das Zahnfleisch reizen - Etwas groß und unhandlich - Bedienung am Anfang etwas fummelig
W**S
An Easy, Effective Water Flosser That Truly Supports Better Oral Health
An Easy, Effective Water Flosser That Truly Supports Better Oral Health I’ve been in the wellness industry for over 15 years as a certified personal trainer and nutrition coach, and oral health is another component of overall health. If we don't have our teeth, it becomes so difficult to get the valuable nutrition we need in. Plus, bad oral hygiene can come with a bunch of other issues no one wants to deal with. I originally bought this water flosser for my 10‑year‑old daughter after she got braces, since her orthodontist recommended a water pick to help clean between the wires and teeth. And honestly, I wish I had one of these when I had braces as a kid — it makes a huge difference. Flossing is still part of our nightly routine, but this water flosser has become an excellent addition. I was so impressed with how well it worked for her that I bought one for myself, knowing I should have been using a water pick all along. I actually had a traditional plug‑in water flosser sitting under my bathroom sink for years, but I never liked how bulky it was or how awkward it felt to use. It’s rechargeable, portable, and incredibly easy to use. My daughter even takes hers with us when we travel — it’s compact and very easy to pack. The multiple pressure settings make it simple to find the one that feels most comfortable and effective for your gums, and the different attachment heads allow you to customize your cleaning routine. The charge lasts a long time, too, which I really appreciate. I’m genuinely impressed by this water flosser and value it as part of my evening teeth‑hygiene routine. It’s user‑friendly, effective, and a great choice for anyone looking to improve their oral health — whether you have braces or simply want a cleaner, fresher feel.
S**N
Food particle Removal
I’m very impressed with this cordless water flosser! Once fully charged, it lasts me up to two weeks even with using it twice daily, which is extremely convenient. The different cleaning modes are noticeably different and allow you to choose the perfect setting based on your comfort level and cleaning needs. It does an excellent job removing food particles and debris that are often left behind even after brushing. The large water tank is very convenient, and the cordless design makes it perfect for both home use and travel. Overall, this product leaves my mouth feeling much cleaner and fresher, highly recommend!
Trustpilot
3 weeks ago
1 month ago