Laundry Detergent Powder : Target- laundry soap powder laundry washing powder liquid detergent washing soap powder ,Shop for laundry detergent powder online at Target. Free shipping on orders of $35+ and save 5% every day with your Target RedCard.Which Cleans Better? Liquid vs. Powder Detergent - Bob VilaPowder detergent is slightly cheaper. Powder detergent will run you $0.10 to $0.24 per laundry load. The lack of liquid and the lightweight cardboard boxes used for packaging keep the product ...