In a small bowl combine sweetened condensed milk and all spices. Stir well to combine. Store in an airtight container and refrigerate for up to 4 months.
To Make 1 Chai Latte:
Prepare tea according to package instructions. Mix in 1 tablespoon of concentrate per 8 oz of tea (or to taste to reach your desired level of sweetness). Stir until concentrate has fully dissolved into tea.