Laundry Detergent Powder : Target- biological washing powder washing powders arm lemon powder cookies ,Shop for laundry detergent powder online at Target. Free shipping on orders of $35+ and save 5% every day with your Target RedCard.Biological washing powders do NOT cause skin allergies ...Biological washing powders do not aggravate eczema, doctors said last night. British researchers said the widely-held view that the enzyme-enhanced detergents are harsher on the skin is a myth.