You’ve searched the stores for months and finally managed to get your hands on that bottle of “it” perfume, and now you smell like... everybody else. You can be sure you’ll never have another olfactory twin again thanks to My DNA Fragrance (mydnafragance.com), a Beverly Hills firm that creates one-of-a-kind blended scents based on your genes. Inspired by the DNA fingerprinting used at the O.J. Simpson trial, CEO Carlton Enoch devised a secret formula that he keeps under wraps. All you need to know is this: Simply swab a cotton ball inside your cheek and mail it in a prepaid return envelope to the company’s L.A. lab, where it’s analyzed and used as a blueprint to capture your essence in a bottle.