Temporary over-dyes turned up when I was in college, so that would be the late 80’s. I bleached mine with hydrogen peroxide when I was in high school. It ended up glowing orange and took forever to grow out!
I’m glad Anoreth can mess with her hair with less risk of a major disaster.
Sorry! I had a couple of errands to run, so I took a quick exit, stage right.
For some reason, the only thing I did to my hair as a teen, was use peroxide in one place. I now have a gray streak there. Coincidence?