ForumsThe RegimenThe RegimenAha Shelf Life Once... Notifications Clear all Aha Shelf Life Once Opened? Some Green Tea MemberMember0(@somegreentea) Posted : 08/03/2014 11:13 pm Is there a depreciated shelf life for AHA once its opened, or is the expiration date on the crimp what matters for AHA? Quote Like Moonlight MemberMember31(@like-moonlight) Posted : 08/04/2014 3:19 pm The date up on the crimp is what you should be paying attention to. Usually 5 to 6 months Quote