Retro Wash laundry powder is the solution for washing your delicate and vintage textiles (quilts, linens, clothing, lace, etc.) safely and effectively. It works well on all fabrics, including cottons, silks and wools. Retro Wash contains no dyes, phosphates, optical brighteners or perfumes and leaves no residue. It is non-toxic, hypo-allergenic, biodegradable and highly concentrated (1 lb. makes 160 gallons).