Matrix Biolage SmoothProof Shampoo for Frizzy Hair 13.5 oz for frizzy, damaged, unmanageable hair can be difficult to control and style. Inspired by nature’s water-resistant camellia, BIOLAGE Smoothproof Shampoo for wavy, curly or frizzy hair provides humidity control and anti-frizz smoothness even in 97% humidity, giving her perfectly smooth hair for up to 72 hours. Shampoo for frizzy hair cleanses and controls frizz for manageability and smoothness. Polishes hair and encapsulates it in a protective shield. Paraben-free formula is also suitable for color-treated hair.