For the best results, two tablespoons of bicarbonate of soda and two tablespoons of white vinegar should be added to each wash. She added: “Fabric softener is just oil based and all it is doing is sticking oil in the wash.
And if you don't already have a bottle of vodka at home, or don't want to waste the good stuff, you can buy a bottle for as little as £6.98 from Asda, which means this hack works out at just 49p.
The pros also noted that the hack works best on "natural fibres like cotton, linen, and wool" but should be avoided on fabrics like suede, leather or silk.
Simply mix equal parts of vodka and water and add to equal parts of vodka and water to a spray bottle.
According to the pros, a finer spray mist is best, but you could reuse old cleaning bottles – just clean them thoroughly first.