Papaya is usually presented as a tropical fruity accord, with a ripe, juicy character that sits between melon, peach and soft citrus. Depending on how it is composed, it can also show a restrained green or earthy nuance, keeping the fruit from smelling overly sweet. The result is typically smooth, bright and easy to wear rather than sharply tart.
In men's fragrance, papaya often appears in the top or heart, where it gives fresh compositions a fuller tropical centre. It pairs naturally with citrus notes for lift, aromatic materials for contrast, and woods or musk for a drier finish. Look here if you want a fruity scent with a softer, more rounded profile than crisp apple or bitter citrus.