You can use the white detergent when you only have white fabrics for washing. Please do not mix fabrics. Even when there are clothes or other fabrics in light colors in the laundry – this is not recommended to happen.
When washing white fabrics and clothes, observe the labels so that you are sure of the recommended washing temperature from the respective manufacturers. Otherwise, you could wash with NoBack for white in the degree range from 30 ° C to 90 ° C.