What is the smallest bottle of Weather Pill?

Eye cream.

The full name of the six-piece set of Weather Pill is: Whoo Hou Weather Pill Hua Hyun Sample Set

1. Water: 23ml

2. Emulsion: 25ml

3 , Essence: 8ml

4. Eye cream: 5ml

5. Facial cream: 10ml

6. Wild ginseng ampoule oil: 5ml