Hello Biomommee!
Well, the differences between the CurlyQ Custard and Milkshake are these:
CurlyQ Custard-Gives maximum hydration, adds weight, adds shine, curl definition, and elongation to the hair. And, it can be used as an everyday styling product.
CurlyQ Milkshake-Gives light-to-medium hydration, adds smoothness, and reduces volume. And, it can be used as either a leave-in curl styling lotion and rinse-out conditioner.