i-23 complex protection from 23 types of damage. To nourish & fortify stressed, damaged hair. New patented technology 7 years of research. Salon Proven Beauty: Stressed, damaged hair is restructured to help protect against further harm and damage while being restored to its peak beauty and health. Infusium 23 does it all with an integrated system of proven science, exclusive technology and personalized products that transform hair for better-than-ever hair days. Not tested on animals. Made with hypoallergenic ingredients. Questions or comments 1 800 487 7273. www.infusium23.com. Made in USA.