How to physically cool a child’s fever with white wine. Infants and young children are generally not recommended to use white wine to cool down, because the baby’s skin is very thin, the use of white wine to cool down, alcohol is easily absorbed through the skin, resulting in poisoning. It is best to use a warm water bath or hot water bath for physical cooling. Older children can use white wine to cool down, before using it must be mixed with water to make a 30%-35% concentration solution, and then to wipe the body to achieve the cooling effect. You can wipe the forehead, palms, feet and other parts.