Color Wow Kale Cocktail Reinforces internal bonds to strengthen hair by over 50% with just use one use.  Color processing breaks down hair’s natural, internal cysteine bonds which give each strand strength and resilience. This mega-force “bionic tonic” with sulphur-rich sea kale helps relink and reinforce hair’s vital internal bonds. Loaded with protein-building Amino Acids plus B Vitamins, this strand- strengthening super-power smoothes, detangles and has been clinically proven to reduce breakage by over 50% after one single application. Helps guard hair against UV ray damage and offers heat protection.