Deep shine silicone. Tourmaline-ionic infused. Deep-shine silicone bristles create shine, smooth flyaways and help reduce frizz. Silicone lasts for the life of the product. Tourmaline - 100% crushed gemstones release natural ions for intense shine. Ions help flatten hair's cuticle layer to increase shine and help reduce frizz. Use with the John Frieda Full Volume dryer to increase benefits. Flexible cushion base allows you to gently untangle wet or dry hair. Put your best hair forward with exceptional looks for every occasion. Join the hair revolution. For over 20 years, the John Frieda hair care experts have been defining style. Now the leader in transformational hair care has helped inspire a line of professional brushes to transform your hair! You define your look. We define your hair. Made in China.