44+ Rainbow Chair PNG. Rainbow hair is hair that's colored with hues found in a real rainbow. Smokey grey rainbow unicorn hair.
You can just have a bit of color to brighten up your day.
Medically reviewed by cynthia cobb, dnp, aprn — written by lauren sharkey on. 1,460 likes · 7 talking about this. You don't have to color all your hair with rainbow shades. The rainbow hair color trend is going strong, with no evidence of slowing down.