When opening box, avoid using too sharp an edge. (There is a possibility of damaging pouches).
Spread out the needed quantity on a tray.
The sachets which are not used should be resealed in a master bag or discarded if their exposure to air exceeds the maximum.
The remaining sachets should be resealed in the pouch after pressing out the air.
Do not pile up AGELESS in the tray.
Do not use AGELESS one by one, leaving the pouch open to air.