I would like to ask how to tell whether Tianqi Dan is true or false.

1. Observe the bottle cap. The top of the paste bottle cap of Zhentian Qidan is bright crimson, and the fake is crimson. When the bottle cap of Zhentian Qidan Essence is opened, it can be seen that there is a silver edge, and the fake has no silver edge.

2. Observe the thread of the toothpaste bottle. Authentic paste bottles have only one thread, while fakes generally have three threads.

3. Observe the bottom of the toothpaste bottle. There are four spots on the bottom of the bottle of genuine skin care cream, and there are only three fakes.

4. Observe the paste. The cream paste of genuine skin cream is thick and beige, while the fake cream is thin, and the cream paste is mostly beige.

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