After opening, Kahlua does not need to be refrigerated, but it should be kept in a cold, dark place like a pantry. After opening, Kahlua has a shelf life of 3 to 4 years.
Kahlua is a rum-based liqueur made from arabica coffee beans, sugarcane spirit, vanilla, and caramelised sugar. It has a 20% alcohol concentration, which allows it to be kept in the pantry rather than the refrigerator. The alcohol concentration of the liqueur must be greater than 17% to keep it fresh without refrigeration.
Make sure the cap is completely tightened before storing Kahlua, and keep it away from extreme temperature changes and harsh sunlight. Liquor can be kept in pantry cabinets, cupboards, and cool basements. After each usage, wipe around the cap, as well as the bottle mouth and neck, because a small quantity of liquid around the cap can attract fruit flies or cause a tight, difficult-to-open lid.
According to Kahlua.com, Kahlua has a shelf life of 3 to 4 years after original opening. While the liqueur may stay longer, it may lose its distinctive flavour, necessitating its disposal and replacement, particularly if improperly stored.
Read more: Blood Thinners: Do They Make You Cold?