Washing or non -freezing? What does the glass -coat -coating liquid consist of for the car?

Glass -shaped liquid for a car is needed at any time of the year. But, if any liquid is suitable in the summer, for example, water, then in winter only an non -freezing liquid should be poured (popularly «non -freezing»). On the market, the eyes run away from the abundance of goods: different colors, different freezing temperature.