The ideal effect can be achieved at room temperature.

Because when adsorbing pore dirt,

Need pores to open

Refrigerate in the refrigerator.

Apply to the face

Pores shrink due to cold.

This is not conducive to the adsorption of dirt by volcanic mud.

In some areas rich in volcanic mud.

Local residents will dig up some volcanic mud and put it in the refrigerator.

Convenient to use at any time

Volcanic mud directly dug back contains many microorganisms and bacteria.

It must be kept in the refrigerator for a longer time.

However, the volcanic mud mask that has been made into a sealed package does not need to be refrigerated.

Use at room temperature, the best effect.