Washing powder, detergent cannot mix, is this why?

1970 - 01 - 01 usually, washing powder and detergent cannot be used together, laundry detergent and washing powder dissolved in different times, washing powder of refractory, residual clothing material is easy to damage. Second washing powder is not easy to rinse, laundry detergent can be completely dissolved and dissolving speed, easy to rinse, not hurt the skin and clothing. Finally washing powder is strongly basic, laundry detergent neutral PH, gentle formula does not hurt the hand, detergent will make clothes fluffy, soft, and have in addition to the bacteria and the efficacy of lasting fragrant, when used with laundry detergent characteristics cannot be displayed. A: laundry detergent equipment: why use washing machines wash clothes use laundry detergent more