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💦 Elevate your oral game—floss smarter, not harder!
The COSLUS C20 is an ADA-accepted, rechargeable cordless water flosser featuring a large 300ml BPA-free tank, delivering up to 1800 high-pressure water pulses per minute with multiple modes and pressure settings. Its IPX7 waterproof design and 30-day battery life make it perfect for professional-grade oral care anytime, anywhere.


























| ASIN | B0D1FZGZ6M |
| Additional Features | ADA Accepted, Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Portable, Lightweight, Noiseless, Non-Slip Grip, Rechargeable, Battery Indicator, Rotatable Tip |
| Best Sellers Rank | #129 in Health & Household ( See Top 100 in Health & Household ) #2 in Power Dental Flossers |
| Brand | COSLUS |
| Brand Name | COSLUS |
| Color | Green |
| Customer Reviews | 4.4 out of 5 stars 52,394 Reviews |
| Included Components | Replacement tips, water dental flosser |
| Item Dimensions | 12.2 x 2.73 x 2.18 inches |
| Item Nype Name | water dental flosser |
| Item Weight | 14.88 ounces |
| Manufacturer | COSLUS |
| Manufacturer Part Number | C20(F5020E) |
| Manufacturer Warranty Description | 1-year warranty, 24-hour after-sales service, Free 30-day refund / replacement |
| Material Type | Plastic |
| Model Name | C20 |
| Model Number | C20 |
| Power Source | Battery Powered |
| Product Benefits | Gum Health, Prevents Bad Breath, Prevents Cavities, Removes Plaque, Removes Teeth Stains, Whiten Teeth Product Benefits Gum Health, Prevents Bad Breath, Prevents Cavities, Removes Plaque, Removes Teeth Stains, Whiten Teeth See more |
| Recommended Uses For Product | Daily Cleaning, Deep Cleaning, Home, Massage Gum, Office, Teeth care, Travel, Whiten Teeth |
| Special Feature | ADA Accepted, Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Portable, Lightweight, Noiseless, Non-Slip Grip, Rechargeable, Battery Indicator, Rotatable Tip Special Feature ADA Accepted, Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Portable, Lightweight, Noiseless, Non-Slip Grip, Rechargeable, Battery Indicator, Rotatable Tip See more |
| Specification Met | ADA, BPA Free, ETL, FCC, IPX7 |
| Tank Volume | 300 ml |
| Target Use Body Part | Teeth |
| Unit Count | 1 Count |
S**Y
Quality Portable Flosser
This flosser is very effective and easy to use. Excellent quality and every bit as comparable to the brand name product. It is rechargeable, powerful, has different strength settings, and the water reservoir holds a lot of water! Numerous tips are included. It is well built, attractive ,and is marketed at a good price. Great for travel.I am very pleased with this product..
D**W
A worthwhile alternative to more expensive brands
I purchased this water flosser because it was available at a discount. I was initially unsure about its performance, as Waterpik is generally considered the leading brand in this category. However, after using this product for about 3 weeks, I can say that it has fully met my expectations. The unit is easy to charge and convenient to use as a cordless device. So far, I have not experienced any water leakage, and the noise level is reasonable. It is not particularly quiet, but it is not excessively loud either. While it is still too early for me to comment on long-term durability, the overall performance has been excellent. The water pressure is strong, and the flossing effectiveness is comparable to what I was looking for in a quality water flosser. Based on my experience so far, I would highly recommend this product to anyone considering alternatives to Waterpik. Brand recognition alone should not discourage you from giving this option a try.
D**D
Great Option for a Water Flosser
I've used this product several times now, and it's been a great addition to my daily routine. It does an excellent job of getting food particles and plaque out from between my teeth, especially in places that regular floss can be a hassle to reach. The different pressure settings make it easy to find one that's comfortable, and the water tank lasts long enough to get through a full cleaning. I also like that it's cordless and compact, so it's easy to pack when I'm traveling or even keep on the bathroom counter without taking up much space. My mouth feels much cleaner after each use, and my gums seem healthier too. Definitely a purchase I'm happy with.
G**Y
Not bad for the price.
For the quick review, this is fine especially for the price I got it at. Not the best I've used, but not the worst either. I'd prefer to give it 3.5 stars, but it's closer to 4 than 3 for me. Biggest issue is the nozzles don't seat firmly, so they tend to spin in your mouth and you have to adjust as you're using it to floss. They won't fall out or anything, but it takes an adjustment to learn to use if you're switching from a Waterpik. The nozzles are definitely cheap plastic, but they work. Doesn't leak, battery life is good, and it's relatively quiet for a water flosser, though there's no mistaking the sound. Haven't been to see a dentist since I got it, so I don't know about the claims on how clean it keeps your teeth, but it does a fair job at getting food particles from between your teeth out. Overall, it's fine. I don't regret the purchase, but I don't know if I'll buy it again once this one wears out. Now for the long review. Before this I've only used Waterpik flossers, so I'll be comparing them a lot. Off the rip, this isn't as powerful as a Waterpik, not even the portable one. I started using water flossers 10 years ago with a portable Waterpik, then upgraded to a counter top Waterpik Ultra about 6 years ago. This past week it died on me, and this was the easiest (and cheapest) replacement option. I didn't expect amazing quality, and I was right not to. That being said, it's quite good for the price I bought it at. I got this on sale with a coupon for about $20. That's just under half the price of the cheapest Waterpiks. At twice a day, the battery lasted for just over a week. Like I said above, I don't know about the claims on how clean it keeps your teeth, but I'll update my review next time I go to the dentist. So far, it's done a good job of removing food particles which is the biggest thing I bought it for. Water pressure is a little low for me, but again I've been using Waterpiks at the highest pressure for a few years now. It can take a few passes for me to make sure I haven't missed anything in my teeth, and unfortunately that means I find myself refilling the reservoir at least once during most of my uses. Annoying, but I had to do this with the portable Waterpik too so I expected it and didn't dock points. It's only got two pressure settings: clean and soft. There's a massage setting has a pulse between the settings, but I don't use it. I only used the soft setting once and found it to be useless; I could compare it to a 2 or 3 pressure on a Waterpik. The 'clean' setting is comparable to a 5 or 6 on the Waterpik. Useable, but not super strong. Just enough for me to get some stubborn areas on my teeth, so I docked a half point for the highest pressure not being good enough for me. I've read some reviews of people saying that this has extremely strong pressure for a water flosser and others saying it's near perfect. I have to say that is not my experience at all. Could be a difference in manufacturing or any number of things, but for me the pressure could be half again as strong on the clean setting and I'd be much happier. This does NOT come with an adapter for the charging cable. You have to provide your own 5v power brick. I had enough extras lying around from other electronics that I could give it a dedicated adapter, but it is definitely annoying that they can't provide a $2 adapter in the box. For package reduction reasons? That's seriously the excuse they went for? Whatever. It's advertised so no docked points for it. Now the biggest issue I had with this flosser and what made me dock a whole point. The nozzles. Not the variety, that's fine, though I'll say that I have only used the standard nozzle and the tongue nozzle to date. I don't have gum issues that require the periodontal tip or orthodontia that require a the specialized tip for orthodontia. That being said, the problem with the nozzles is their quality and how they're seated in the device itself. The plastic they're made from is thin, and not very durable. For the tongue scraper, this means you can't exert a lot of pressure before the nozzle bends when using it. For the standard nozzle that means it can bend just from the pressure of your cheek and gum pressing on it. The way it's seated in the device itself doesn't help. No nozzle is loose, nor do they leak water, let me be clear there. Once the nozzle is seated, it won't come out and they spray water only as intended. No the issue is, the nozzles spin. In theory this wouldn't be a big deal, the nozzles are meant to spin to allow minute adjustments while they're in your mouth so you can keep that 90 degree angle on your gums. In practice, because the nozzles spin so easily you'll often find the nozzle pointing in the wrong direction in your mouth as you try and floss. This took a real adjustment to get right, and to be honest I'm still adjusting. I still have the nozzle spin the wrong direction on me sometimes, and it is extremely annoying to have to pay so much attention to the nozzle when I'm trying to use it. This is something I wouldn't have even thought of as a problem, except that Waterpik doesn't have it at all. Waterpik solved this problem by having an adjustable nozzle with set turns. Each time you turn the nozzle to a new angle, it clicks into place. Harder to spin the nozzle, but easier to use. Coslus spins freely, no clicking into place and no torque required to move. Because of that I find myself spinning the entire device while I use it to keep the the nozzle at a 90 degree angle to my gums. This is the biggest reason I over my teeth 3 or 4 times when I use the Coslus. The nozzle has spun off center a little, and I want to make sure my teeth are clean. You could try and hold the device at the nozzle and keep the nozzle from spinning, but that's extremely awkward (and the video they provide doesn't show the device being held or used that way so clearly they don't expect if of you). With all that being said, I got this mostly because I didn't want to go back to regular flossing and I couldn't afford getting another really nice Waterpik right now. This was a stopgap so I could keep 'flossing' and not mess with my budget much. In a month or so I'll probably get another countertop Waterpik and this will be relegated to a travel device. For now it does mostly what I need, in a slightly annoying way, and at a very affordable price.
A**S
Works amazing!
This is 100% worth the price (which is a great one)! It honestly cleans my teeth so quickly and thoroughly! My dentist will be proud and disappointed (no new cavities or plaque build up). Honestly, if you're thinking about buying it, just do it already. It's great quality too!
R**D
It works. It really works!!!
Works amazing. I honestly didn't think it would be all that strong from the video reviews I seen. But after giving it a try I'm blown away. It's extremely powerful (in a good way) even on the lowest setting. I turned it on and immediately my gums felt cleaner. A powerful stream of water hit my teeth and it felt like it was deep cleaning. Almost felt like going to the dentist. The grip is very comfortable in hand. I couldn't recommend it any more. The downside is it can get a little messy. Just keep your mouth closed or slightly open to prevent water from shooting everywhere.
P**M
Works as advertised - good product - reasonably priced.
Works great - don’t use if you’re dealing with a temporary crown. Yeah, I did that. Charges reasonably fast and stays charged for a long time.
T**K
Easy to use and effective flosser
Great tool for dental hygiene and especially helpful for those with braces. Flossers for braces are not easy for all, so this water flosser is easy and effective.
L**H
Very good
Effectively clean food in between my teeth and with it the smell. Highly recommended!
A**K
كويسه جدا
لحد دلوقتي ممتازة
K**A
Totalmente complacido
Lo compre para facilitar la limpieza con brackets, ya que con los cepillos de dientes no se hace al 100, ahora con este aparato la limpieza es más fácil y también hace la limpieza entre los dientes y encías Pd: tiene 2 años de garantía con la empresa, solo hay que seguir las instrucciones
G**M
1st time user bit sensitive
Nice feels fresh 1st time user let’s see how it’s more efficient
م**د
👀
👀
Trustpilot
2 days ago
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