Do not spray cologne on your clothes. The “spray in the air and walk through” method is a myth. It's not only a waste of product, and the alcohol and oils can stain some clothing. Don't overdo it.

Should I spray perfume on clothes or skin?

WEAR IT ON YOUR CLOTHES

Sweat and perfume are never a good mix. When it's particularly hot outside and you know you won't be spending much of the day in air-conditioned places, don't put perfume on skin; spritz it onto your clothes instead.

Does spraying cologne on clothes make it last longer?

Don't just stick to spraying perfume on your body—spritz it all over your clothes too. Clothing fibers are able to hold in scents for a very long time (yes, even after you wash it).