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

Food dyes are generally safe to eat, but some people may be sensitive to dyes such as carmine, Red 40 ... stomach cramps, skin lesions, and hives. Another yellow dye, annatto, comes from the ...

Argh! Sure, there are creams and serums and other skincare heroes that can help, but cutting-edge research suggests a new way to treat skin issues: red and blue light therapy. Both are forms of ...

Under the transparent outer skin are two cell layers that contain red and yellow pigments, or chromatophores. Below the chromatophores are cell layers that reflect blue and white light.

But for people with darker skin tones, finding the right foundation ... theory practices in relation to the art world, red, yellow and blue are used in combination with black and white," says ...