Colour processing breaks down hair’s natural, internal cysteine bonds which give each strand strength & resilience. Color Wow Kale Cocktail Bionic Tonic is a mega-force tonic with sulphur-rich sea kale helps relink & reinforce hair’s vital internal bonds. Loaded with protein-building Amino Acids plus B Vitamins, this str&- strengthening super-power smoothes, de tangles & has been clinically proven to reduce breakage by over 50% after one single application. Helps guard hair against UV ray damage.