Temporary dyes usually have peroxide in them (which can mess the melanin the pigment that is responsible for hair colour). This leads to accelerated greying. According to a National Institutes of ...

Formulated to be used right after rinsing out Excellence color L'Oreal Paris Hair Color: We offer permanent, semi-permanent, and temporary hair dye plus root cover up, anti-brass toners and ...

A food dye that helps give certain sodas and snacks their hallmark orange hue renders mouse skin almost completely see-through in a reversible, potentially non-toxic research method that could ...

The researchers chose tartrazine because the dye's molecules absorb blue and ultraviolet light, which makes it easier for light to pass through the mouse skin. “For those who understand the ...

It now turns out that this can be accomplished—and by surprisingly simple means: the application of food dye. The fact that colourful molecules can make an opaque substance transparent may seem ...

And now for something completely different: A team of researchers has managed to make living tissue transparent using a common food dye. The discovery could yield a range of innovations in ...

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 ...

Henna hair dye is a natural option for colouring grey hair without chemicals. Sourced from the Lawsonia inermis plant, it provides a deep red-brown hue and conditions the hair. The article ...