Superzero's Instant Shine & Anti-Frizz Hair Serum Treatment Bar is a solid, concentrated formula designed to hydrate, control frizz, and define curls. This vegan-friendly bar features hemisqualane, vegan keratin, coconut oil, and a bond builder complex to leave hair smooth, shiny, and manageable. Simply apply the bar directly to wet hair, or emulsify in your hands first, for a salon-quality treatment without the plastic bottle. Perfect for all hair types, especially those seeking frizz control and enhanced curl definition.