Product identity and trust
What is a grey market perfume
Grey market generally describes goods sold outside a brand's authorized distribution channel. It is not, by itself, a verdict that the perfume is genuine, counterfeit or legally acceptable in every situation.
A HUME Fragrance buying guide

Separate channel and contents
An unauthorized channel and counterfeit identity are different questions. One label does not resolve the other.
Check the actual offer
Read seller, product version, condition, source explanation and local purchase terms. Do not assume brand-backed support applies.
Avoid broad legal conclusions
Import and resale questions depend on facts and jurisdiction. A general buying guide cannot decide a specific dispute.
Try this before you buy
Write the evidence for product identity separately from any claim about the seller's distribution channel.