Typically, an aftershave will last up to 3 years after the expiration date.
A light scent, such as a citrus, one with fresh green notes, or a delicate floral, will most likely begin to turn sooner after a bottle of fragrance is opened. When the smell is slightly sour, it’s a sign that a perfume has expired. It is not required for aftershave products to list an expiration date.
How Long Can You Keep Unopened Aftershave?
A light scent, such as a citrus, one with fresh green notes, or a delicate floral, will most likely begin to turn sooner after a bottle of fragrance is opened. 
How Long Does Aftershave Last After Opening?
The recommended usage time is 30 months after the perfume is opened. You should start testing your scent at about two and a half years old. 
How Do You Tell If Aftershave Is Expired?
When the smell is slightly sour, it’s a sign that a perfume has expired. This can have a metallic scent. “oxygen within the air can alter some of the molecules present in a fragrance over time,” says huclier. 
Does Aftershave Have An Expiry Date?
It is not required for aftershave products to list an expiration date on the label, but they can go bad. A change in fragrance and performance can be caused by the degradation of ingredients inside. 
Does Unopened Fragrance Go Bad?
It’s okay to keep using a bottle for four, even five years, since most fragrance manufacturers recommend tossing your bottle after anywhere from one to three years. 
How Long Does Aftershave Last?
An edt can last up to six or seven hours on the skin, while an average aftershave can last up to three hours. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.