I am looking at as a substitute for baking soda in deodorant. During my research I found several interesting points about it:
-Food grade diatomaceous earth (DE) is a gentle abrasive that's also highly absorbent.
-DE helps move things out of your intestines
-helps promote healthier hair, skin, bones, and joints.
-Diatomaceous earth (de) is made of tiny, fossilized diatoms (aquatic organisms) that accumulated over millennia in fresh water lakes.
-Nicknamed the 'grass of the sea' for all aquatic life forms and an ancient treasure in the modern health world, many enthusiastic- silica-advocates are calling it mother nature's best kept secret and a true miracle mineral for human health...
There is a wealth of information on the web, check out the information provided by:
https://www.diatomaceousearth.com/
http://www.globalhealingcenter.com/natural-health/5-benefits-of-diatomaceous-earth/
Enjoy!