Color Wow Kale-Infused Dream Cocktail for Reducing Hair Breakage (200ml) reinforces internal bonds to strengthen hair by over 50% with just one use. Chemically treating your hair with colour breaks down the hair's natural, internal cysteine bonds which are there to give the strands strength. This powerful tonic utilises sulphur-rich sea kale to relink and reinforce these vital bonds. It is also packed with protein-building Amino Acids plus B Vitamins to strengthen, smooth and detangle. Clinically proven to reduce breakage by over 50% after only one application! Ideal for anyone with colour treated hair. Also, helps protect against UV damage. Completely cruelty-free & vegan-friendly.