Infused with a blend of low and high molecular weight hyaluronic acid, known to easily absorb and lock in moisture, and vegan collagen, known to support healthy-looking hair and skin, this lightweight, moisturizing formula utilizes the science of skincare for the hair of your dreams. Hair is left hydrated, detangled, and less frizzy. Protects hair from up to 450°F heat. Stay hydrated out there. Size: 5 fl oz Formerly known as H2-Whoa Hydrating Leave-In Conditioner Key Benefits Hydrates Detangle 450°F Heat Protection