Post from Manhattan Minds, an inspired blog on New York City Art, Beauty, Fashion & Lifestyle, by the Founder, Mona Maine de Biran... It is easy to identify green beauty as one of the biggest growth areas of the beauty industry. The estimated market in the neighborhood of $13 billion a year is just huge! It is a whole lot harder, however, to define what fits into the green category. In the beauty world, green seems to be in the eye of the beholder.