Swap your tricky string floss for this dental game-changer that’s under £20

Still struggling with traditional string floss? Amazon has just slashed the price of the COSLUS Portable Water Flosser from £29.99 to just £17.98 - a massive 40% saving!

This 2026 upgraded model is a dental game-changer, designed to remove up to 99.9% of plaque from treated areas. It features a large 300ml water tank, allowing for a complete 60-second clean without the need for constant refills.

With 3 high-performance cleaning modes and adjustable pressure levels, it’s perfectly suited for everyone from those with sensitive gums to users with braces or orthodontic implants.

The cordless, ergonomic design is fully IPX7 waterproof, so you can safely use it in the shower to streamline your morning routine. At under £18, it’s a positive change to your oral hygiene for a bargain price!

*Prices correct at time of publication