Relief Brand products have been verified by a third party lab for quality assurance. You can find links to those results here:

 

Product

Test Results

Pain Relief Serum Pain Relief Serum Test Results
Anti-Itch Serum Anti-Itch Serum Test Results
Sunburn Serum Sunburn Serum Test Results
Bacon Pet Drops Bacon Pet Drops Test Results
Salmon Pet Drops Salmon Pet Drops Test Results