They may cause infection through means that are not obvious ( e.g.small cut on hand of the adult to a child with dry skin ( eczema) with cracking). 他们可以通过不明显的方式造成感染(例如由手上有小伤口的成人传染给皮肤干裂的患有湿疹的儿童)。
And if you have dry skin, a sunburn, or eczema, leave out the salt and double up the sugar. 如果你有干性皮肤,被太阳晒伤或是有湿疹就不要使用盐,只要把糖加倍就好。