How to identify the authenticity of colored cotton clothing?
The most direct way is to Add a piece of colored cotton fabric 40 degrees Celsius in the detergent solution after 6 hours of immersion (in order to remove the fiber surface layer of wax), wash with water until the color changes observed after drying . Such as better color than the previous, for the real thing, it is an pseudo-products. Colored products of washing methods: Cotton from the natural pigment color, pigment case of acid, alkali will change, so when washing colored cotton products, can not use detergent with high pH, and should use a neutral soap and detergent, at the same time, pay attention to the washing agent will be dissolved even after immersion in which the clothes. Washing can not be too high when the water temperature to no more than 40 degrees is appropriate, the use of an area of more Fusible Interlining colored clothing should be washed to avoid the phenomenon in order to prevent wrinkling washed. Different detergent contains surfactants for pigment relief have a