Permanent hair dyes often contain PPD, a chemical vital for vibrant, lasting colour. However, experts warn of serious health risks, including severe skin reactions and, in rare cases, life-threatening ...

The vast majority of permanent hair dyes used across the US and Europe feature the aromatic amine p-phenylenediamine (PPD). An increasing amount of research has connected this organic compound to ...

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, ...

Want unlimited flowers for dyes and decoration? 🌼 In this Minecraft tutorial, I’ll show you how to build an automatic flower farm using bone meal, dispensers, and observers. It’s compact, efficient, ...

As someone with dark skin, I wanted to create a guide that shares the hair dye colour options that truly complement our skin tones. The first time I dyed my hair was in 2017. I was inexperienced—not ...

A chemical compound used in many permanent hair dyes has been named Allergen of the Year for 2025 by the American Contact Dermatitis Society (ACDS). Toluene-2,5-diamine sulfate (PTDS) is an aromatic ...

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, ...