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Hair dye products don’t typically have expiration dates on their package. This can cause confusion for consumers who are wondering if old hair dye still works and is safe to use. According to ...

If you’ve ever gotten your hair colored, chances are your stylist started applying the color before washing (or cutting) your hair. But if you’re dyeing your hair at home, that may not have been the ...

CENTRAL VALLEY, Calif. — Though it was 40 years ago, Hector Corvera still remembers the uneasiness he felt when he cut someone’s hair for the very first time. “Your first day out of beauty college, ...

Grey hair can be graceful, but let’s be honest, most of us long for those shiny, jet-black strands we once had. While chemical dyes promise instant results, they often come with hidden damage: dryness ...

A systematic review of 96 studies found that long-term use of hair dyes, especially darker shades, was associated with an increased risk for certain cancers, varying by age, gender, race, genetics, ...

While hair dye offers a popular way to change appearance, certain chemicals like PPD can be absorbed through the scalp, potentially straining kidney function with frequent or improper use.