| 摘要 |
The present invention provides a method of cleaning laundry, comprises the steps of: (I) pre-treating the laundry with a liquid pre-treatment composition; and (II) washing the thus-pre-treated laundry in a wash liquor comprising a main wash detergent formulation, preferably a main wash detergent powder. The liquid pre-treatment composition used in said method comprises (a) 0.005 to 20 wt% hydroxamate and (b)3 to 80 wt% of detersive surfactant system,wherein the weight ratio a) to b) lies in the range 6: 1to 1:16000, preferably 1:10 to 1:400. It was found that enhanced detergency, in particular with respect to particulate soils stains removal, can be obtained when applying the method of the present invention. |
