The precise formulae of popular perfumes are kept secret. Even if they were widely published, they would be dominated by such confused ingredients and odorants that they would be of hardly any end in providing a useful guide to the popular consumer in description of the caution of a scent. Nonetheless, connoisseurs of perfume can become extremely accomplished at identifying components and origins of scents in the same manner as wine experts .

Proper preservation of perfumes involve keeping them away from sources of hot weather and storing them where they will not be exposed to light. An opened bottle will keep its aroma intact for handful years, as faraway as it is well stored. However the presence of oxygen in the head space of the bottle and environmental factors will in the elongate lope alter the Perfume smell of the fragrance.