According to relevant information, the packaging bottle of real shampoo is smooth and legible, while the packaging bottle of fake shampoo is generally rough, yellow in color and fuzzy in fine print. If it is a transparent package, the real shampoo looks crystal clear, while the fake shampoo is turbid.

There is a label marked "Open" next to the box. Tear it open and you can see the QR code. You have to download an app scan code called M-check to verify the authenticity.