Why is the 5ml of Tianqidan as big as a bottle of 10ml?

Because if the bottle is too small, it is inconvenient to carry and aesthetically unsightly, so it is all the same size.

Whoo Tianqi Dan has magical effects such as improving facial sensitivity, improving rough skin and shrinking pores. , can moisturize the skin and make people's skin more delicate and elastic. People insist that it can also improve skin quality.