However, like other cosmetic products, they do have shelf lives.
Perfume and fragrances are not always printed with expiration dates.
Skin is made up of water, salt, hair, fibers, proteins, acids, and fats, and the proportion of those varies from person to person.
Why Do Perfumes Smell Different from Person to Person? Are there Perfumes that are safe for people with perfume allergies? A fragrance might react differently with one persons chemistry than it does with the next persons chemistry.