There are two very quick and easy ways to know if your perfume or cologne has expired: by checking your sight and smell. Control by sight Check the color of your perfume. If it changed to a darker or faded tone, it means that it has expired. Control by smell If you cannot open the bottle because it came very sealed, apply a stream of perfume on your wrist, if the smell is vinegary, it is better that you discard that fragrance.
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