Brand New Living Proof Triple Bond Complex Hair Strengthener Triple Bond Complex A weekly leave-in treatment and hair mask that makes hair 8x stronger* + more resistant to future damage while adding softness, smoothness + shine. According to Livingproof.com Key benefits Scientifically proven to make hair 8 times stronger* Stylists prefer Triple Bond Complex over the leading bond builder Builds all three types of bonds in the hair: hydrogen, ionic, and covalent Reduces visible signs of split ends while preventing breakage + future damage Heat protection up to 450°F/232°C