Safety, is of utmost concern when using certain EO's.
Yes! Yes! Yes! This is so true! But although they can be dangerous if misused, they can also be absolutely divine when used correctly!
Essential oils need to be measured not just poured til it feels right. And, because they have different gravity weights, they need to be measured by weight not volume. An ounce of lavender eo may be more in volume than, say, an ounce of patchouli.
Some suppliers will tell you how much per lb to use by using percentages. That's probably the best way. I have never used any EO in more than a 3% content and those have been the more milder ones, like lavender. Most I use 2 - 2.5%.
That percentage is figured by pound. For instance, 2.5%EO of 32oz(2lb) oils would be .8oz of EO (32 x 2.5 % on a calculator or [2.5 divided by 32 by hand]). If you don't keep blends made up you will have to figure the parts into the percentages to get totals.
Don't think I am an expert on EOs, though. I am not! Although I have never used anything else (no, not even 1 FO) I'm still learning. I do love using them and am willing to share what ever I can.
Hope I haven't confused you even more! :roll:
eta:sp