How is Tianqidan suspected of illegal marketing?

There are shops selling fakes, which have nothing to do with the brand itself.

"Tianqidan is a high-end skin care series after Korea. All the products of Tianqidan are quite moist and oily, but they all have good ductility and absorption effect. Long-term use can make the skin look more delicate and moist. Tianqidan series belongs to the latter brand, Tianqidan is included in the latter, and it is the highest end. "