Natural color makers like California Natural Color, IFF and Kalsec, among others, are playing the right game at the right ...

A person may also need to purchase specialty shampoo to help keep the color intact. Also, EarthDye do not provide a color chart, as their dyes can only match or darken a person’s natural color.

By Niveditha Ravishankar, R&D Manager, McCain Foods Key takeaways: Regulatory and consumer pressure are rising: U.S.

Emma Stone's natural hair color is blonde. Frazer Harrison and Frederick M. Brown/Getty Images She's known for transforming her hair often, but the actress told Refinery29 that red is her favorite.

But I don't have a preference. I like both." Occasionally you can find her switching behind the two colors. For example, at the 2014 Oscars, Robbie's hair was an ultra-dark, rich-brown color.