3-5 years. According to the usage of perfume, perfume contains alcohol, and the shelf life can be very long on the premise of good sealing. The shelf life of Dior perfume is 3-5 years. Perfume is a volatile substance, which is the product of dissolving perfume in ethanol. Sometimes, additives such as trace pigments, antioxidants, fungicides, glycerol and surfactants are added as needed.