Biolage Smoothproof Shampoo - 250ml. Part of the Biolage Smoothproof range - Prove yourself smooth. Let go of frizz and unwanted volume with formulas inspired by the water-resistant properties of the Camellia flower. Formulas help lock out moisture for control and smoothness. Frizzy and unmanageable hair can be difficult to control and style. Inspired by natures water-resistant camellia, Biolage Smoothproof Shampoo for frizzy hair provides humidity control and anti-frizz smoothness. - Shampoo with 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 colour-treated hair. Available in 250ml, 400ml and 1000ml bottles.