The WHO’s cancer agency’s designation for hairstylists does not extend to people who dye their hair. That remains “not ...

“When I saw their green boxes, I said ‘This is it ... lightening hair up to two shades at a time. Is Natural Hair Color Dyes Safe? To date, not much is known about the long-term safety ...

Instead, these are hair dyes uniquely formulated for graying and meant to return you to your previously natural color. According to celebrity barber Chaz Hazlitt, these hair dyes are specifically ...

You might think that natural ... red‒green axis, and yellow‒blue axis — but we have not had a technique that quantifies what is happening with the dye in the hair fibre.

It’s ammonia- and peroxide-free, and is also vegan—great for those who are looking for more natural products, which can be hard to come by in hair dyes. Like other temporary sprays we tried ...