my friend and i want to experiment and dye one strand of our hair in the back of our head lets say purple. we both have brownnnn hair and i was wondering whats a good dye that will not only show up but wash out that night or like in a week. i can't have it in for more than a week. plz help!!!!!!. Created by home gurl. beauty-style-en - hair-en

There's a really good brand called Manic Panic, sold at most beauty supply stores like Sally Beauty Supply. They have purple, pink, blue, and many other colors. Stays in for almost 7 or 8 washes, which is good for semi permanent. Runs about $15 a jar.