Due to a change in formulation Kahlua is no longer kosher wherever it is produced or bottled. Old stocks of Kahlua which were produced and bottled in Mexico and which were purchased before 1st April 2016 may be used.

Is St Germain elderflower liqueur kosher?

St germain is made with eau-de-vie (grape spirit) so I would say it is not kosher. Kahlua - as far as I know there is no dairy in Kahlua and it seems every kashrut organization outside of the US is ok saying it is kosher (check the KLBD website - kosher and pareve) and it is all made in the same plant in Mexico.

Is Dekuyper triple sec kosher?

Dekuyper - Triple Sec (Kosher) - Pop's Wine & Spirits.