Smells say so much. The right perfume can stir you up or calm you down. The wrong one can leave you in a cloud of stink that torments anyone who gets too close.

“It’s not just buying a set of tires for your car,” says Alexander Bende, owner of Beauty & Scents, a cosmetics and perfume company in La Jolla, Calif.

“It’s something that really influences your moods, and how people think about you.”

Finding that perfect signature scent, however, can be tricky — especially when they can change with diet, hormones, medication and the weather. Even synthetic perfumes, which tend to smell similar on everyone, differ slightly from one skin to the next.

“Every person is so individual,” said Rebecca Pribble, manager of Veda Salon & Spa in Colorado Springs.

Finding the perfect perfume