Women who regularly use permanent ... to hair dye is the shade you use. 'All of the shades use essentially the same chemicals, but there's quite a lot more of them (the chemicals) in dark brown ...

Jacob Schwartz is a hair colorist and the hair color trend ambassador for Schwarzkopf. He's worked with a ton of big names, ...

The benefit of a semi-permanent color is that they are often more buildable (meaning you can customize the coverage) and if you dye your hair too dark, they will fade quickly. Coverage ...

The association was present for both light and dark-colored dye in Black women, while only light-colored permanent hair dye was associated with breast cancer risk in White women. Straightener use in ...

Occupational studies stretching back decades have found an increased risk of bladder cancer among hairdressers.

The earliest peer-reviewed studies exploring whether hair dyes may cause cancer date back to the 1970s. A 1975 study tested approximately 170 permanent hair dyes and found that the vast majority ...

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 ...

Nine dyes, including Red 3, have been allowed in U.S. food. The other common color additives in food are Blue 1, Blue 2, Green 3, Red 40, Yellow 5, and Yellow 6. Two permitted colors are used more ...

For anyone who loves the vibrant look of freshly colored hair, maintaining that brilliance can be a frustrating challenge.

Nine dyes, including Red 3, have been allowed in U.S. food. The other common color additives in food are Blue 1, Blue 2, Green 3, Red 40, Yellow 5 and Yellow 6. Two permitted colors are used more ...

It's the cool, understated cousin of Cowboy Copper. Though Emma Stone is a natural blonde, her red hair has become something of a signature. This tawny take is more cinnamon brunette than her ...