i had admired someones hair and she recommended it telling me the color lasts about [SEP] i urge anyone thinking of using this product to check the splat site for full information i had admired someones hair and she recommended it telling me the color lasts about weeks i purchased the lavender color yesterday and did my whole head since my hair is frosted i did not use the pre bleach just the color the color came out a hideous red purple and it stained spots of my scalp even though i did not rub it in i have washed my hair times hoping it would fade but the color got worse and the stains on my scalp remain i went on the splat site and now learned that the color lasts at least weeks and may leave a permanent color which i can only remove by bleaching all my hair this is not written on the packaging and i would not have bought it if i had known i have had colored streaks applied at a beauty parlor they looked great and faded after weeks