Watercolor hair semi permanent color 100ml: Instantly add fashion shades to pre lightened hair, or adding a color shine to brunette hair. Superior sulfate-free, paraben-free, ammonia-free, peroxide-free, PPD-free Extra gentle for color treated/bleached hair Not tested on animals How to use: Apply required amount to pre bleached, towel dried hair. Allow 20-40 mins time for color to deposit. Heat can be applied to intensify color Rinse and style as usual Use color care shampoo to maintain intense shades Use low heat on colored hair, and leave in conditioner Avoid PH changing shampoo ( dandruff shampoo), Avoid pool and sea water Not tested on animals Non toxic