4BOND is a rich, thick, creamy color hold paraben-free bond-building Conditioner. Using 4BOND Shampoo & Conditioner (pH 4.5) AFTER color/chemical services will rebuild hair bonds and fortify highly damaged, dry & thirsty parts of the hair shaft. 4BOND Shampoo & Conditioner has been developed to maintain the health of the hair bonds previously damaged by a color/chemical service. With continued at-home use, 4BOND provides luxurious, soft, and shiny hair while maintaining and preparing the hair’s health for its next color/chemical service.