The Green Guide, a great website with a wealth of information, has a list of twelve ingredients found in make-up that you should try to avoid. Are any of these in your cosmetics? Antibacterials, coal-tar dyes, 1,4-dioxane, formaldehyde, fragrance, mercury, lead, nanoparticles, parabens, petroleum distillates, DEA, or hydroquinone?
Websites worth visiting:
http://www.thegreenguide.com/products/Cosmetics
http://www.cosmeticdatabase.com
http://www.safecosmetics.org/