In a new case report, doctors in France detail how the woman developed a rare form of retina damage tied to hair dyes made ...

An ingredient in the hair dye a French woman used caused her to develop a vision-robbing retinopathy, researchers report.

Highlights also can and often do vary in thickness, placement, and tone, ranging from subtle and natural to bold and dramatic ...

Women who regularly use permanent hair dye may be putting themselves at increased risk of bladder cancer, new research findings suggest. The study is the first to show that how often you use hair ...

All dyes only color to the root of the hair ; they must, therefore, be applied as often as the natural hair grows out and shows itself. The cheapest hair dyes are powders principally composed of ...

According to New York City-based colorist Abigail Amparan, about 35 percent of people who color their hair report having some reaction to the dye. Often, the scalp feels sore, uncomfortable ...

Whether you’re achieving the best hair color for your skin tone, getting new highlights or just covering a few grays, fresh color can make you feel renewed, refreshed and like the best version ...

Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...

Why We Love It: An all-inclusive kit and a diverse range of shades (36, to be exact) are just the start of what makes Madison Reed the clear winner for our best overall box dye for natural hair.

Enter hair color theory, the buzziest method for finding your ideal tone. "Hair color theory is color theory," celebrity hairstylist Justin Toves-Vincilione tells PS. "It's art and anyone can ...

In a new case report, doctors in France detail how the woman developed a rare form of retina damage tied to hair dyes made with aromatic amines. We may earn a commission when you buy through links ...

An ingredient in the hair dye a French woman used caused her to develop a vision-robbing retinopathy, researchers report. When she switched to a dye without these ingredients, called aromatic ...