How to defog car windows without air conditioning or rags: the homemade method that works in seconds

condensation: when warm, moist air inside comes into contact with the cold surfaces of the glass, the water vapor is transformed into tiny droplets that stick to the glass.

That thermal contrast between the interior of the car – normally more tempered by the presence of the occupants and the heating – and the cold exterior is the direct cause of the problem. The more moisture there is inside the cabin, whether from passengers’ breathing, wet clothes or rain, the faster the windows will fog up.
The homemade trick that solves the problem in seconds

The solution does not require special products