The key to finding your true love? Body odor, says one company that also claims to have found a way to harness that not-so-sweet scent into a match-making service.

A new dating service says it's the first to use DNA matching to pair mates and is set to launch Tuesday in Boston, according to a report from WCVB TV/DT Boston.

ScientificMatch.com says its technology will use DNA to find a date with "a natural odor you'll love, with whom you'd have healthier children and a more satisfying sex life."

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"Nature attracts us to our genetic matches with our noses. The fact is, we love how other people smell when their immune systems are different from ours — they smell sexier," the company wrote in a release on its Web site.

The company sends sealed cotton swabs and instructs customers to swab the insides of their cheeks. Using that information, the company promises to find customers their perfect mates.

But love doesn't come cheap. The service costs a cool $1,995.