[The_CEO]

There is also not hard science so far demonstrating firmly otherwise.
I have read an aggregate of data that has led me to decide it's the best choice for me (to avoid tit. dioxide).

The problem for me is I am in the sun a lot and the natural homemade product won't work for me. And neither will covering up completely.

This is a good resource to look at what "you" use:

http://www.ewg.org/skindeep/

also:
http://www.ewg.org/consumer-guides