9 tips to make your perfume last as long as possible. Even if you're merely wearing a simple T-shirt and your favorite jeans, perfume can help you complete your style. The scent will liven up your dinner date and may even help you entice your sweetheart even more. Simultaneously, there are certain widespread misunderstandings about how to apply perfume, where to apply it, and what kind of perfume to purchase. The difference between applying perfume correctly and incorrectly may make or break your entire night. Fortunately, applying perfume correctly is a straightforward process.