With this method, you only need to defrost your refrigerator or freezer once or twice a year, regardless of whether it is an older or newer model. Salt is the most important component. It is used as a salt solution and applied to the walls of the freezer. To do this, first switch off your appliance. Then add two tablespoons of salt to a bowl of hot water. Once the salt has completely dissolved, pour the solution into a spray bottle and use it to spray the inside of your device. The ice should melt after a few minutes. At the same time, remove the layer of frost using a wooden stick.
If the inside of your device turns yellowish, you can lighten it with hydrogen peroxide and then rub it off with a soft cloth soaked in glycerin. This creates a thin film that prevents the rapid formation of