<<Disclaimer: Verify this information before applying it to your situation.>>

Check out the detailed handbook," Is Gluten Hiding in Your Shampoo? It Was Hiding in Mine on Amazon. 
http://tinyurl.com/kjvrukf 
or
http://www.amazon.com/Gluten-Hiding-Your-Shampoo-Gluten-Free/dp/1494407825/ref=sr_1_1?ie=UTF8&qid=1401293878&sr=8-1&keywords=marian+z+geringer


It has over 2,500 personal care products and list whether or not it has gluten or has been exposed to gluten. 

Marian

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