Living Proof Triple Bond Complex

NIB, Sealed Full Size 1.5 oz A weekly leave-in treatment and hair mask that makes hair 8x stronger* + more resistant to future damage while adding softness, smoothness + shine. Benefits: Heat protection up to 450°F/232°C Builds all three types of bonds in the hair: hydrogen, ionic, and covalent Reduces visible signs of split ends while preventing breakage + future damage