Aunt Jackie's Curl La La Defining Curl Custard - 15oz/ 426g. Aunt Jackie's Curl La La is used to define, moisturize, and add bounce and shine to curls, waves, and coils. It is applied to wet or dry hair for various styling techniques like wash-and-gos, braid-outs, twists, or finger coils. The custard is designed to fight frizz without causing caking, flaking, or stiffness.