Laundry Detergent Powder : Target- laundry soap powder laundry soap lemon washing soap detergent powder ,Shop for laundry detergent powder online at Target. Free shipping on orders of $35+ and save 5% every day with your Target RedCard.Homemade Laundry Detergent Powder Recipe! {Large Batch}Sep 10, 2012·So I decided to make a Homemade Laundry Detergent Powder form of homemade detergent. I had everything I needed on hand (I finally used the Fels-Naptha my mom gave me when I got married, 13 years ago), so I hung up the phone and proceeded to make a small batch of homemade laundry detergent.