# COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink

Pink: The COSLUS C50 is a portable ultrasonic cleaner for retainers, dentures and braces. Its cordless design and two timed cleaning options are aimed at routine use at home or while travelling, although customer feedback also reports mixed reliability.

- [Original product page](https://bargainpostbox.co.uk/product/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [View offer](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: COSLUS
- Model: C50
- Category: Beauty & Health > Personal Care Appliances > Electric Toothbrushes
- Price: 20.99 GBP
- Previous price: 31.99 GBP
- Discount: 34%
- Price checked: 2026-11-14T19:35:23.528Z
- Rating: 3.9 / 5
- Reviews: 51

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

- Cordless, portable design is described as suitable for travel and everyday use.
- Two preset cycles offer a 5-minute daily clean or a 10-minute deep clean.
- A transparent cap lets users observe the cleaning process.
- Manufacturer claims up to 24 uses per charge and recommends surface rinsing rather than full immersion.

## Pros

- Two timed modes let users choose between a shorter daily cycle and a longer clean.
- The claimed cordless operation and portable design suit use away from a fixed power outlet.
- The stainless-steel tank is described as easy to clean.

## Cons

- Customer feedback reports mixed reliability, including reports that the device does not always start reliably.

## Specifications

### Identity
- Brand: COSLUS
- Model: C50
### Cleaning and operation
- Ultrasonic frequency: 50kHz
- Cleaning modes: 5-minute daily cleaning or 10-minute deep cleaning
- Operating noise: 32 decibels
### Power and construction
- Battery: 1 Nonstandard Battery batteries required. \(included\)
- Tank material: food-grade stainless steel
### Size and appearance
- Package dimensions and weight: 17 x 14.1 x 7.4 cm; 560 g
- Colour: Light Pink

## Before you buy

- The stated battery life of up to 24 uses is a manufacturer claim. The product is described as waterproof for rinsing, but the instructions specifically recommend surface rinsing and avoiding complete immersion. The battery listing does not specify its type.

## A good fit for

- Retainer, denture or brace wearers seeking a cordless ultrasonic cleaner with two preset cleaning times.
- People wanting a compact cleaner for travel or use away from a power outlet.

## Less suited to

- Buyers who need assured start-up reliability, given the mixed reliability feedback.
- Anyone seeking a device explicitly confirmed for complete immersion.

## Customer feedback

Customer feedback highlights positive impressions of product quality, including a mention of holiday use, but reports on reliability are mixed, with some saying the device works well and others that it does not start reliably. This matters for a portable cleaner intended for regular use. Aggregate ratings are also mixed, so they do not establish consistent reliability or explain why customers rated it as they did.
- Positive themes: Customers mention positive impressions of quality, including one report of suitability for holiday use.
- Mixed feedback: Reliability feedback is mixed, with reports of good operation alongside reports that the device does not start reliably.

## Frequently asked questions

### What can the COSLUS C50 clean?
The listing identifies retainers, dentures and braces as intended cleaning targets.
### What cleaning cycles does it offer?
It has two preset options: a 5-minute daily cleaning cycle and a 10-minute deep-cleaning cycle.
### Can I submerge the cleaner to rinse it?
The listing recommends surface rinsing and says to avoid complete immersion, despite describing the design as waterproof.
### How many uses does one charge provide?
The manufacturer claims up to 24 uses per charge. Treat this as a stated claim rather than a guaranteed result.

## Alternative options

- [KUNPHY Ultrasonic Retainer Cleaner Machine, 48kHz Ultrasonic Cleaner for Dentures, U-V Light, Dental Pod for Retainer, Dentures, Aligners, Mouth Guards, Night Guards, Toothbrush Heads, Whitening Trays](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Moeila Ultrasonic Retainer Cleaner Machine,45kHz Dental Tooth Pod, 2 Modes Ultrasonic Cleaner for Dentures,Aligners,Nightguards,Mouth Guards,Braces,Toothbrush Heads & Jewelry](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Retainer Fresh Retainer Cleaner Tablets 30 Tablets Denture Cleaner \| Also cleans mouth guards, dentures & clear aligners. Removes plaque, odour & stains for a fresh, hygienic finish daily](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Ultrasonic Retainer Cleaner Machine, 45kHz Ultrasonic Cleaner for Dentures, U-V Light, 4 Modes for Retainer, Dentures, Aligners, Mouth Guards, Night Guards, Toothbrush Heads, Whitening Trays, Jewelry](https://bargainpostbox.co.uk/visit/warmra-csbkm-001-ultrasonic-retainer-cleaner)
- [COBEEK Ultrasonic Retainer Cleaner Machine, 52kHz Ultrasonic Cleaner for Denture with U-V Light, 3 Modes, Dental Ultrasonic Tooth Cleaner Machine Pod for Aligners, Night Guard, Toothbrush, Jewelrys](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Portable Ultrasonic Retainer Cleaner with UV, Cordless Denture Cleaner \| 3 Cleaning Modes, 4000mAH Rechargeable IPX6 for Invisalign, Aligners, Night Guards \| Travel-Ready with Built-in Mirror](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [COSLUS C60 Ultrasonic Retainer Cleaner Machine, 45kHz Sonic Cleaner, Black \| Professional for Dentures, Mouth Guards and Night Guards, Detachable Tank for Retainer, Portable for Travel and Home](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Dental Ultrasonic Retainer Cleaner Machine: 45kHz Dental Cleaning Pod with 200ML Capacity Ultrasonic Cleaner for Dentures, Mouth Guards, Aligners, Night Guards, Braces, Toothbrush Heads & Jewelry](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [KUNPHY Ultrasonic Retainer Cleaner Machine, 48kHz Ultrasonic Cleaner for Dentures, U-V Light, Dental Pod for Retainer, Dentures, Aligners, Mouth Guards, Night Guards, Toothbrush Heads, Whitening Trays](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [opilea Ultrasonic Retainer Cleaner Machine, 45kHz Deep Gentle Dental Cleaning Pod with 304 Stainless Steel Tank, 4 Cleaning Modes for Aligners, Dentures, Mouth Guards, Night Guards, Toothbrush Heads](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Sonic Spa Go Cordless Ultrasonic Cleaner for Retainers, Aligners & Dentures - White](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Zima Dental Pod: Next-Generation Ultrasonic Cleaner for Retainers, Aligners, Night Guards, Mouthguards & Dentures. Precision Oral Appliance Cleaning Machine \(Arctic White\)](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)

## Add-ons

- [Retainer Fresh Retainer Cleaner Tablets 96 Tablets Denture Cleaner \| Also cleans mouth guards, dentures & clear aligners. Rem](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)
- [Retainer Fresh Retainer Cleaner Tablets 36 Tablets Denture Cleaner \| Also cleans mouth guards, dentures & clear aligners. Rem](https://bargainpostbox.co.uk/visit/coslus-c50-portable-ultrasonic-retainer-cleaner)

## Images

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 1](https://bargainpostbox.co.uk/i/J5YY0J_OO1vu2JNK9JPOT9N5qLI46hoMieFpCen29Gel2xVd9PzQDCCQlvpkSusgPQrnOo9Roz-wV-_hCsSX7wfLRjFHT4YGs8aClUJs9U2Z5H6flon9j6Za.jpg)

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 2](https://bargainpostbox.co.uk/i/r2Lx_agbjH8sHqTVSfCwsVdIQh1OVv-IQK33xVk6vVOoR-yBlxDtC0d9iZD1Yy6nlaDdN_xIoW69u6HO7XLARo-WnMQ92jsP3ZnQRddZg7O_ySHnnpcjmofy.jpg)

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 3](https://bargainpostbox.co.uk/i/vW0UfEV2dpG1n24i7_jOvPZjn9lE9DRcjjj6tcIUyt63E7y-L1Ik8A4ZUAZv0VCzKB7o6vzkrBgOuvNdnry5U7Yfb7snHGiJz805j3hdy61dGU4ZdgrNkPFA.jpg)

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 4](https://bargainpostbox.co.uk/i/UuQzujZRPfMcHX_ouq2rNd3bf3TQJpCcXJ9dcwVG-A8aY0lkMYFbBfT9oFYSjkWSOwRX1PaTQjd4vxQOjcLtjyShI6wLu60wWf5XT5qawT9MzLcaBtsYM1Js.jpg)

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 5](https://bargainpostbox.co.uk/i/Q5lRMarfj3hxV_ramRRrAI1DuEeXMjU7sBl4GGokffj16Yy0z4HB9I8qakxp-u3jJSU-q_AHy2M-_e6sNuEWCAuJD17n9k4Nv8GDpvy0R5PQFzVUxqWI_AQr.jpg)

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 6](https://bargainpostbox.co.uk/i/vuB1WpkFnIw18LkL2jqEawwVdbMj4m5t4gIL4AahpH8e46SAXfbeNYqJS-nt7Jcvmytiz2EivfvF6MGDip7uEddr1WxPkgFeuUDuS7sSuLFA9ThhAbvZ7pq6.jpg)

![COSLUS C50 Portable Ultrasonic Retainer Cleaner, Pink — 7](https://bargainpostbox.co.uk/i/_4Up4XRVdbr63J-LVteLuEisoWkf-7v7MDXIn_iUIQx2M6abWe2sVyx4GMcM-lH_xb-04cH0rki6wOZyKUNCsHyS1mJalCQM-h7m6ueyyKkZSXn81Q4oy36K.jpg)