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. Treat & transform: finish with infusium 23 repair & renew Leave-In treatment to Restore damaged hair and improve the quality of your hair over time. Blended with an I-23 complex enriched with pro-vitamins, proteins and amino acids to nourish and Restore overall hair health and shine. Protects against breakage and future damage. Instantly detangles wet or dry hair. Light enough for everyday use