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Starch adds crispness and structure, providing body to cotton and linen items. It also eases ironing and creates a higher resistance to wrinkling and soiling. Durable synthetics can also be “starched,” but cannot be treated with grocery store-brand spray starch. Stiffen Up is safe for both natural and durable synthetic fabrics such as polyester. Unlike grocery store-brand spray starch, it won’t flake, coat, or damage fabrics.
Do not starch silk, silk blends, silk-like fabrics, delicate synthetics, or any wool, cashmere, or wool-like synthetics.
Never store items that have been starched, such as table linens, antique linens, sheets, and dress shirts, as starch attracts bugs. Also, starched items are at risk for turning yellow in storage. Simply wash these items and store them clean.
Starch silk, silk-like fabrics, and delicate synthetics.
Starch wool, cashmere, wool blends, and wool-like synthetics.
Store starched items long term.