I have an app that I just found out about that lets you scan the barcode of the product you are buying and it will tell you if it contains ingredients or are made by people who you may not like to support. You input which products/companies/causes you wish to avoid and it gives you alternatives. For example, mine shows up if its a Nestle product, or a company who uses underpaid labour or is fair-trade etc.
Not sure if it just works in Australia but its called "Buycott". I've found it to be very handy
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Alysia
Married to the love of my life
Mama to 2 wonderful boys
Waiting to meet 3 in heaven 2/2005, 5/2007 & 8/2011
Striving, with God's help, to be a gentle mother each day