Discover the power of smooth and manageable hair with Biolage SmoothProof Shampoo. This shampoo thoroughly cleanses hair while helping to control frizz for long-lasting smoothness and manageability. The unique formula coats the hair shaft to protect unruly hair fibres from external moisture, leaving your hair looking smoother and healthier. Give your hair the care it deserves with Biolage SmoothProof Shampoo.