Recently, there have been many news reports about wax on apples that cannot be washed off, and this wax is used to extend the fruit's shelf life. Some people use dish soap to wash fruit. If not rinsed thoroughly with tap water, it can easily lead to residue of the dish soap accumulating in the stomach, which is harmful to health over time.
When washing fruit, you can choose to use salt: After wetting the apple with water, put a little salt on the skin, then gently rub the apple back and forth with both hands. The surface dirt can be cleaned off quickly, and then rinse it with water to eat with peace of mind. The principle of this cleaning method is that the granular state of salt enhances friction, and salt is also harmless to the human body.
Washing apples with hot water is also a good method, as it easily removes preservatives and other substances from the apple's skin. Applying toothpaste to the apple's surface as a cleaner is also a good idea. This way, the washed fruit can be eaten with peace of mind.