New brands start with no proof
A domestic brand entering a new category carries reputation with it. A cross-border brand entering the U.S. usually starts at zero: no reviews, no recognition, no word of mouth. UGC substitutes for the proof that has not accumulated yet.
It looks like the platform it lives on
Content produced by U.S. creators matches the visual grammar of the feed — the pacing, captions, framing, and speech patterns viewers scroll past all day. Studio advertising imported from another market reads as an ad instantly and is skipped just as fast.
It is a testing system, not just an asset
A batch of varied UGC gives you multiple hooks, angles, and value propositions to test cheaply. The winning angle then informs the listing, the ads, and the next round of production. Treated this way, UGC is market research that happens to be publishable.