We’ve all experienced or heard others proclaim “I love this perfume but it doesn’t last very long.” What qualifies as “long lasting” in a perfume? What contributes to a perfume's ability to be long lasting or have “wear longevity”? What is the average time a perfume should last on your skin? Fragrance longevity is essentially the length of time the olfactory presence stays detectable on the skin of the wearer. It’s not an easy straightforward time period for all perfumes.