There’s so much gloom and doom in the story about beauty products. From the “Stink!” documentary’s exploration of the “fragrance loophole” to tests that found lead in 60% of lipsticks (yes, really) getting ready is like walking through a haunted house: fear at every turn. My thought process tends to go something like… This sample mascara is amazing, but is the company that makes it is hiding mercury in the formula? I love my new deodorant, but am I dousing my lymph nodes with cancer-causing chemicals?  I’ve swapped out hair dye for henna and greened my makeup routine, but the fear of hidden chemicals means sometimes I feel like hiding my (unwashed) head under a rock,…