Generally, apples with edible wax are allowed, but some unscrupulous merchants will put industrial wax on apples in order to reduce costs, and industrial wax contains heavy metals such as mercury and lead, which will affect your health after consumption.

If you are worried that waxed apples are toxic, make sure you wash them before eating them. Cleaning methods are:

Method 1: apples soaked in water, put a little salt in the skin, and then hold the apple back and forth gently rubbing, the surface of the dirt will soon be able to rub clean, and then rinse with water, you can rest assured that you can eat. Experts say that the principle of such cleaning is to use the small particle state of salt, enhanced friction, and, salt is also very clean.

Method 2: Prepare a small basin, put some starch, and then wash the apple. This method is also applicable to wash pears and grapes and so on, and the surface of the fruit is not easy to change color. Especially wash grapes this method is very good to use, because it is difficult to wash the grapes, hard to wash and will destroy the original state of the grapes.

Method 3: Apply toothpaste to the surface of the apple as a cleaning agent, this method is also very good. Washing apples with hot water is also a good way, so that it is easy to clean off the freshness of the skin of the apple and other cleaning agents.