For frizzy hair. No parabens. Biomatch: Like nature's water-resistant camellia, SmoothProof provides humidity control and anti-frizz smoothness even in 97% humidity (When using the system of shampoo, conditioner and serum). SmoothProof Shampoo cleanses, controls frizz and results in smoothly polished hair. Suitable for color-treated hair. www.matrix.com. Made in USA.