# COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels

Levels: The COSLUS C50 cordless water flosser offers four modes with five intensity settings each, plus a removable 270 ml tank. Its adjustable settings and claimed travel-friendly design suit buyers who want a rechargeable oral irrigator, though charging details and reported battery and water-flow experiences merit attention.

- [Original product page](https://bargainpostbox.co.uk/product/coslus-c50-cordless-water-flosser)
- [View offer](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: COSLUS
- Model: C50
- Category: Beauty & Health > Personal Care Appliances > Electric Toothbrushes
- Price: 18.99 GBP
- Previous price: 23.99 GBP
- Discount: 21%
- Price checked: 2026-11-12T18:11:34.149Z
- Rating: 4.3 / 5
- Reviews: 1843

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Four modes with five intensity settings apiece provide a range of claimed cleaning options.
- The listing gives a 270 ml removable tank and claims up to 90 seconds of continuous cleaning per fill.
- Manufacturer claims include a rechargeable battery, travel portability and up to 30 days of use per charge.
- The listing describes two standard floss tips, one orthodontic tip and one periodontal tip, but no explicit package inventory is supplied.

## Pros

- The 20 mode-and-setting combinations offer adjustment for different cleaning preferences.
- A removable 270 ml tank may reduce refill interruptions compared with smaller reservoirs.
- The listing describes tips for routine cleaning, orthodontic appliances and periodontal care.

## Specifications

### Identity
- Brand: COSLUS
- Model: C50
- Colour: Black Blue
- Material: Plastic
### Operation
- Power configuration: Battery Powered
- Modes and intensity: 4 modes, each with 5 settings
- Water pressure: 30-140 PSI
- Pulses: 1,400-1,800 pulses
- Tank capacity: 270 Millilitres
- Claimed runtime per fill: 90 seconds of continuous cleaning
### Dimensions and installation
- Dimensions listed: 22.8 x 8.9 x 6.5 centimetres
- Weight listed: 430 Grams
### Use and construction
- Recommended uses: Daily Cleaning, Deep Cleaning
- Target body part: Teeth
- Specification met: CE

## Before you buy

- The charging cable is transitioning from USB to Type-C and is said to be distributed randomly. The adapter is not included. Confirm which cable version the selected listing supplies.
- The product is listed as 430 Grams, which may matter if choosing a flosser primarily for lightweight travel.
- The listing's claimed 30-day battery life is not accompanied by a usage schedule, and customer feedback is mixed on battery life and water flow. Treat runtime as a claim rather than a guaranteed result.
- The title describes four modes and five intensity levels, while the feature text says each mode has five settings. The claimed IPX7 rating, dual-stream nozzle details and four-tip kit are not confirmed by the technical details or an explicit box list. Confirm the selected variant and included tips before buying.

## A good fit for

- Buyers who want adjustable water-flossing modes and intensity settings.
- People with braces seeking an irrigator whose listing describes an orthodontic tip.
- Users looking for a rechargeable cordless flosser with a removable tank.

## Less suited to

- Buyers who need a confirmed USB-C cable or a charging adapter in the box.
- Anyone relying on a guaranteed battery runtime or verified waterproof rating.

## Customer feedback

Customer feedback describes the flosser as effective and highlights its settings and perceived value. Battery life and water flow receive mixed comments, including reports of charging stopping and water going everywhere. Those concerns are relevant to a cordless model with a claimed 30-day battery life and adjustable water delivery, but feedback does not establish how common these experiences are.
- Positive themes: Customers describe the flosser as effective and appreciate its settings.
- Positive themes: Some customers consider it good value for money.
- Mixed feedback: Battery life receives mixed comments, including reports of good endurance and reports of charging problems.
- Mixed feedback: Water flow receives mixed comments, with some reporting water going everywhere.

## Frequently asked questions

### How many modes and intensity settings does the COSLUS C50 have?
The title lists four modes and five intensity levels. The feature text says each of the four modes has five settings, giving 20 mode-and-setting combinations.
### What is the tank capacity?
The technical details list a 270 Millilitres tank. The feature text claims a full tank provides 90 seconds of continuous cleaning.
### Which charging cable is included?
The listing says it is transitioning from USB to Type-C cables and that cables are distributed randomly. It also says the charging adapter is not included, so confirm the cable version for the selected listing.
### Are tips included?
The feature text claims two standard floss tips, one orthodontic tip and one periodontal tip, but the supplied information does not include an explicit package inventory. Check the selected listing for confirmation.

## Alternative options

- [COSLUS Water Dental Flosser for Teeth Cordless: Portable Oral Irrigator 300ML 5 Jet Tips Rechargeable Tooth Flosser Teeth Braces Pick IPX7 Waterproof Irrigation Cleaner for Travel Home](https://bargainpostbox.co.uk/visit/coslus-black-f5020e-cordless-water-flosser)
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- [Hangsun Water Flossers for Teeth Cordless Oral Irrigator Dental Water Jet HOC760 Electric Tooth Flosser with 6 Jet Tips 300ML Water Tank USB Rechargeable for Travel and Home Use Black](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)
- [COSLUS Mini Water Flosser for Travel: Portable Compact Design - Removable Tank for Easy Cleaning - 4 Modes IPX7 Electric Flosser for Braces/Orthodontic/Sensitive Gums On-The-Go Use, Black\(T40\)](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)
- [FlossJet Water Dental Flosser for Teeth Cordless with 300ML 4 Cleaning Modes 5 Jet Tips Portable Oral Irrigator USB-Powered Electric Flosser IPX7 Waterproof Irrigator Dental for Home and Travel Black](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)
- [Hangsun Water Flosser Cordless Oral Irrigator Rechargeable Dental Water Jet HOC700 for Teeth Braces with 300ML Water Tank and 6 Jet Tips for Travel & Home Use](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)
- [Maynovia Cordless Water Flosser for Teeth, U-Shaped Tip, 350ml Tank, 8 Tips \| Oral irrigator, inner and outer tooth cleaning, 3 modes, 5 intensity levels, 40-150 PSI, IPX7, USB-C, for braces and travel](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)
- [Cordless Water Flosser - 6 Pressure Settings with 3 Modes, 220ml Compact Ergonomic Design, 30 Days Long Battery, IPX7 Waterproof Portable Oral Irrigator for Teeth, Gums & Braces](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)

## Add-ons

- [Tongue Scraper Stainless Steel,Tongue Cleaners Fresh Breath Restored Taste U Shape](https://bargainpostbox.co.uk/visit/coslus-c50-cordless-water-flosser)

## Images

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 1](https://bargainpostbox.co.uk/i/9MvFFNEPyxPZVqZtvP_xavKGUgcvEAjzCaVqdQFFRCH5ofzaDBJPZ3MmnzQCx0S7zYfAoJB8oJSO9QxVSsyNuPvNCkPLa3rkSIwlpOr6ocGk1_guBD9gBmBA.jpg)

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 2](https://bargainpostbox.co.uk/i/yLvxpaUQakn6FIWrp2WMbzOjdcAVCS3DAV5CwqskmhgVLT2jT6bjf5RrN5DhXgl-Vj_lZwzSBORnr9FssQ3WdtGjHSTYfq9M85dH29YzP2n1fapWWKdjMbUh.jpg)

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 3](https://bargainpostbox.co.uk/i/sNdYxhNXvhC7w1sXprhQrOssiUt1X3ZDKF1NiCzS0EaBQlzsBKeE-cEpsaWEEyIn1_vkZjsAYFltqzD7icpnxKR1H9Bj5IwYhENeowHIr76M-8LtZb0Lmy-o.jpg)

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 4](https://bargainpostbox.co.uk/i/qw9_vyJMf6_sTLYMxfH78UeC0AEGMPx0SxZuPAuMP6RFcX00F0FRl2fR79-tv1tltJ0wtsVqZNWZoeyEjQ1zUCYYYhmHUWugVEkOv9j3BBkC6uDREa66JD1w.jpg)

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 5](https://bargainpostbox.co.uk/i/_vRCPxs4ynzkd8450QaC6yygEGM6kyr-M_XkVOcl7_hjC-XTxqpCTZgRI9rcj54pXstjndyfn0pPliJVtKppJxNF0dbhOsEVLrUB4TLFc3qkanc8zLKhmpof.jpg)

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 6](https://bargainpostbox.co.uk/i/j5F8v9Lzta-wSCjR-_YVUyKRSRv_SYRpVHU4FRbZl2JFkCUpMUgz7OIaWJrzN7Pkbusk-D8uThW995Wy7t9pL1DllUlAq-pYK9gslvXzAgRjd6fY797MYeuw.jpg)

![COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels — 7](https://bargainpostbox.co.uk/i/-iDwFlNl3Sgs0EIEgwQv7Nl8RQPwUUvO1ZTRgaxGtdkzqMwWDtu3kWkdEk-Pf4XaLi_ExdRLRUfUlHGIbJOyAgJ2zdl-agq8qGesJlt9VyrwkbG7Y34lA_Iv.jpg)