The metal is commonly absorbed internally through the lungs, skin, or digestive system as ... react to form compounds that reflect a dull gray or blue color. As the recently published case study ...

On the shelves of makeup counters and drugstores sits an array of foundations in various olive, ivory, and fair shades. But ...

The darker foundations that exist often fall flat, appearing gray-like once applied on the skin. But now, researchers report a blue cosmetic color additive that gives darker foundations the warmth ...