Sometimes, getting to the salon just isn't possible, which is where the best root touch-up powders come in. Like concealer ...

In fact, it’s the oldest synthetically-made color known to scientists. Archaeologists typically discover the ancient remnants of Egyptian blue pigment in the form of powder or tiny spheres, but the ...

can be used as dusting powder to detect fingerprints on complicated surfaces. The earliest known synthetic pigment, Egyptian blue is found in some of the paint that still colors ancient statues ...

Centuries before the now-banned red dye No. 3 was synthesized in a lab, humans turned to insects to color their foods, ...