A weekly leave-in treatment & hair mask Makes hair 8x stronger & more resistant to future damage while adding softness, smoothness & shine Builds all three types of bonds in the hair: hydrogen, ionic & covalent Living Proof patent-pending technology constructs a 3D network within the hair fiber, helping rebuild broken bonds & create new bonds while resisting damage Encapsulated cellular oil, a blend of lipids & peptides that deeply nourishes strands, helping defend hair against color fade, thermal & UV damage Biomimetic emollient blend & sealing agent smooth & align hair fibers, make it more manageable for easier styling Reduces visible signs of hair damage including split ends Heat protection up to 450?F/232?C