If humidity is your enemy and frizzy hair is testing your limits, it's time to smooth things out with Matrix Biolage Smoothproof Shampoo. Retain your sleek, styled mane and fight the frizz with this smoothing formula created to calm fluffy hair and protect from the elements. Smoothproof shields hair from humidity and locks out moisture so your style stays looking shiny and silky for a just-styled finish. Hair is more manageable and fluffy ends are kept at bay by the paraben free formula. When used alongside the Matrix Biolage Smoothproof Conditioner, hair is protected from up to 97% humidity. Don't compromise on your style due to the weather, style your hair your way with Matrix. - Biolage SmoothProof Shampoo 250ml