Concentrates degrade for the same three reasons most things do: heat, light and oxygen. Address those and a jar stays close to how it left the lab for months rather than weeks.

Keep it cool and consistent. A cupboard away from a window beats a shelf above a stove, and a fridge beats both if you let the jar come back to room temperature before opening it — condensation inside a cold jar introduces water you don't want.

Keep it closed. Every minute the lid is off, the most volatile and most flavourful compounds are leaving. Take what you need and close it.

Use a clean tool every time. Introducing residue from a previous session is the fastest way to make a good extract taste like an old one.

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. For adults 21+ only. Keep out of reach of children and pets.