This is depends on the character and concentration of the fragrance. An eau de parfum contains a higher concentration of the ladies perfumes than an eau de toilette or cologne and will, therefore, last longer.With fthat in mind, a quality ladies perfumes is formulated to last. You should enjoy the scent for at least four to six hours before having to reapply. One of the most mistakes is applying too much ladies perfumes in an effort to get a deeper or longer-lasting impression. Applying too much fragrance will simply make the impression overwhelming.