-- American women spend an estimated $2 billion a year on panty hose. What's driving all that demand? Runs. Now, ELI Corp. in Northbrook, Ill., claims it has a solution: a 4-oz bottle called Forever Nylons--enough to treat 64 pair of hosiery--that sells for $4.99. ELI says the liquid contains acrylic polymers that bond to nylon fibers, protecting them against runs.

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