Quality silk, from lingerie to neckwear, is an investment in luxury. But natural-fiber silk is delicate: simply rubbing a spot can fade color or dull the fabric’s luster. Water or club soda bleeds color bleed and abrades fibers. If gravy spots your power tie or champagne bubbles over the crêpe de chine, stay calm and gently blot with a clean white cloth. And let our experts do the rest.