Original Perfume How Can You Know When A Perfume Is Original?

How can you know when a perfume is original? - original perfume

There is this shop back to my people, who mainly sold hair products, but there is this huuuge shell with lots of Designer Fragrances low price does not think they are original, but you never know, especially in these shops, what things you can do, or consider whether they will be able to imitate the originals are arent? I have seen imitations are so good that I say, or can something that you can smell the fragrance? Thank you!