* People with a lot of gray hair may have a strong bluish or purplish finish.* If you have a lot of gray hair the result may be brownish or purplish.* Depending on your hair type & the condition of your hair before dyeing it may be difficult to feel the dye even after using it several times.* Hair that has been permed or colored or damaged areas may be dyed with a strong bluish or purplish tone resulting in a dark finish.* If you stop using it your hair color will gradually return to its original color every time you shampoo.* The finished color varies depending on the hair type.