WHAT IT IS B Leave-In is a lightweight curl booster and volumizer. WHAT IT DOES DevaCurl B Leave-In Miracle Curl Plumper is great for light hold or cocktailing with any other DevaCurl gel. The herbaceous scent of Lemongrass is lush and refreshing. Free of Sulfates Parabens Silicones Paraffin Mineral Oil Phthalates Alcohol and DEA MEA TEA. WHAT ELSE YOU NEED TO KNOW All DevaCurl products are 100 sulfate silicone and paraben free but there s more. The entire line is inspired by conversations with real curly girls. Our innovative formulas are made to fit into your daily routine. From our cleansers and conditioners that hydrate your hair in the shower to our easy styling products that work on wet or dry curls it all adds up to endless amazing hair days.