Originally Posted By: Linctex
Originally Posted By: kschachn
Plus when you mix oils (especially those of widely different chemistries) you also produce a mixture that has no certifications. There's no guarantee it will meet any of the certs or standards that any of the individual oils may individually meet.
I'll bet that doesn't happen in real life very often, though.
What doesn't? No mix is certified, by mixing you modify the formula that was approved, ergo, your "new" product is approved to absolutely no standard.