Re: How long does 2.5 OZ cologne last for you guys? With a few sprays, half a year at most. If a fragrance is hardly worn, nearly indefinitely, almost ...

One fluid ounce (oz) of perfume of cologne is basically 30 milliliters large. ... Based on how powerfully you use your manufactured scent, how many sprays you ...

Re: Is 1.7 ounces too little? It's a good amount, especially if you're collecting many fragrances. At the beginning of my perfume obsession, I used to buy only ...

Does perfume expire? ... Yes, perfume and also after shave do go off. However, how long they last depend on the scent's chemical composition. Many perfumes ...