Stains can be a real nuisance to clean, especially for tea and coffee enthusiasts whose mugs quickly become marked with stubborn rings.

If you’re one of these people, you’ll know the disappointment of finishing your brew only to find an unsightly dark stain on your favourite mug.

These stains are caused by tannins, plant compounds found in foods and drinks like tea, coffee, chocolate, and wine. But don’t worry, your beloved mug doesn’t have to stay stained.

Jade Hampton shared her cleaning hack on the Mrs Hinch Army Cleaning Tips Facebook page. She posted before and after photos of her partner's work cup, which had 20 years' worth of tea stains.

Despite trying bleach, soda crystals, baking soda and white vinegar, nothing worked until she tried Astonish Clean and Revive powder.

The results were “astounding”, particularly considering the stains had been left for two decades.

Jade wrote: “My Partner's work cup before and after. Had 20 years worth of tea stains (we live in a hard water area) and had tried bleach, soda crystals, baking soda and white vinegar to no avail.

“Just one tablespoon of Astonish Clean and Revive powder and it worked far better than bleach.”

Howard Moss, CEO at Astonish, has previously told Express.co.uk about the power of the Clean and Revive powder, saying: “The specially tailored formula is made to banish ingrained stains with minimal effort.

“No scrubbing is required for an easy clean. Leaves no residue and no smell. Simply add a tablespoon and hot water and leave until cool.”

Astonish Specialist Clean and Revive is specifically designed for “tea and coffee cups, teapots, flasks plus much more”.