Drop for drop, colognes and perfumes are some of the most expensive liquids around, and yet they can wear off before you step out your door. The TipNut blog suggests that moisturising the area where you'll apply the strong stuff—like with petroleum jelly or any non-scented moisturiser—helps lock in its strength longer than spraying onto dry skin. Combine that with another hint that pulse points are a scent distributor, and your eau de toilette just might earn its keep for the night. Hit the link for more advice, and feel free to offer up your own fragrance suggestions in the comments. Photo by Here in Van Nuys.