Good reads:
http://www.davidsuzuki.org/publications/resources/2010/sustainable-shoppers-guide-to-the-dirty-dozen-ingredients-to-avoid-in-your-cosme/
http://www.davidsuzuki.org/issues/health/science/toxics/what-you-need-to-know-about-toxics-in-your-cosmetic-products/
http://safecosmetics.org/ - use this to know safe cosmetics
to use
http://organicolivia.com/2013/12/21/what-chemicals-are-hiding-in-your-deodorant/
http://www.ewg.org/skindeep/ - search the name of the product to know safe cosmetics
http://organicolivia.com/2013/12/21/what-chemicals-are-hiding-in-your-deodorant/