how long is perfume good for
To start, I used three empty 50 ml perfume bottles, by three different perfume companies, and filled the bottles with water and sprayed till they were empty. The average number of sprays in a 50 ml bottle is 735 (double that figure for a 100 ml bottle of fragrance). We all know there are 365 days in a year, so a 50 ml bottle of fragrance will provide a person (who wears that fragrance every day and sprays once) TWO years worth of perfume.