Great question, Desiree. Let me start with a story about the scientist Isaac Newton. About 350 years ago, he was thinking a lot about light, and what it is made of. He held a prism up to the light and ...

Another week, another rainbow hair color. Summer offers a never-ending array of colorful hair trends to try out and play with, and this week the whimsical-sounding rainbow prism hair is up to bat.