Intensely hydrates hair during washing and fights unwanted frizz! The lightweight moisturizing shampoo for frizzy hair Aveda Sap Moss™ Weightless Hydrating Shampoo gently removes impurities from hair and scalp, leaving them perfectly hydrated and easy to manage. Its weightless, silicone-free formula contains Icelandic moss with larch sap extract and is scented with una iconic fragrance.