防褪色第一招:酸洗法。需要原料:食用醋这一招主要针对的是红色或是紫色等颜色鲜艳的纯棉衣服和针织品。方法是在洗涤这些衣服之前,往洗衣服的水中加上一些普通的醋,泡上一会就可以了。但是醋的量不能太多,否则容易给浅色衣服染色。如果能够经常这样清洗衣服就可以保证衣服的颜 Fade first trick: pickling method. Need raw materials: vinegar this trick is mainly targeted at red or purple and other bright colors of cotton clothes and knitwear. The method is to wash these clothes before washing clothes to add some common vinegar water, soak for a while on it. However, the amount of vinegar can not be too much, otherwise it is easy to stain light-colored clothes. If you can often wash clothes so that you can guarantee the color of clothes