Joico's Defy Damage KBOND20 Power Mask is a super-charged hair repair mask that offers damage control thanks to its unique bond-building ingredients. This new technology leads to 5x stronger hair while delivering rich hydration and normalizing pH. This paraben-free, colour-safe, cruelty-free power mask builds and protects the bonds of your hair with help from Joico's one-of-a-kind liposome delivery system that packs a punch by continuously releasing a trifecta of healthy ingredients including Rosehip Oil, Arginine, and Keratin. This new addition to the is the most powerful bond-building and delivers transformative results after just one use!