Nationally, at least 30 color additives are approved by the Federal Drug Administration for use in food and drinks, including nine artificial dyes. Those nine require batch certification ...

From the classic balayage to bolder shades like electric blue, there's a perfect option for every skin type. Dare to ...

“My favorite at-home hair color is the Garnier Nutrisse Ultra Creme,” says Nikki Lee, Celebrity Hair Colorist and spokesperson for Garnier USA. “What I love about this box hair dye is that ...

When the temperature increases, the polarity of the solvent slightly decreases, which causes these dyes to emit light at different wavelengths and intensities. By measuring the ratio of ...

Bergamy-Rosa recommends shades that are one to two levels lighter than your natural color to cover budding grays. “This can help blend grays more seamlessly and reduce the contrast between dyed hair ...