Dip dyed rainbow koolaid hair - lasts about 2 months, but depends on your hair color. To learn how to dye your hair with kool-aid look up "dip dyeing hair with kool-aid" heat up water in a pot with kool-aid then put in a cup and dip hair in!
Tutorial for girls with straight hair who want natural looking curls. She uses a method with a curling iron that I've never seen anyone use before. Will try for my girl that has beautiful straight hair and wants curls!
If you would like to add some color to the ends of your hair but aren't sure if you want to risk the hair dye. Then you should try chalking your hair! It's so much safer than color or dip dying, you only need one thing to do it!