Want plumper curls? B'leave-in this This lightweight, curl-boosting gelée with a blend of wheat protein, lemongrass, and chamomile gives you the fullness, moisture, and shine your curls are craving. While it is lightly moisturizing, B'Leave-In is not a conditioner. It is a styling product designed to plump up curls. B'Leave-In provides more moisture and shine for plumped curls. WaveMaker helps provide consistent, defined waves with frizz control.