As the popular video platform heads to a Jan. 19 ban, more than half a million new users are now on another Chinese social app, Xiaohongshu.

New users have piled in to Chinese social media app RedNote just days before a proposed U.S. ban on the popular social media app TikTok, as the lesser-known company rushes to capitalize on the sudden influx while walking a delicate line of moderating English-language content,

With TikTok's days in the U.S. potentially numbered, many American users are moving to another Chinese social media app: RedNote, a heavily censored platform similar to Instagram. Here's what to know.