measuring fragrance/essential oils, weight vs volume?

brewsie · Feb 25, 2012

this might be a stupid question but this subject hankers me every time i make soap, so i have to ask...

ive seen EO reco's at .5-1oz per pound of oils. i measure out all of my oils by weight, of course, but how do i measure the EO's? weight, or volume?

thanks

Hazel · Feb 25, 2012

I always do them by weight. Although, that may not be the correct way.

HutCar92 · Feb 25, 2012

You measure them by weight. Most things in soap are done in weights, at least as far as I know.

carebear · Feb 25, 2012

those ounces are ounces by weight.

you need to measure all your components the same way. since you measure your oils, butters, lye, and water by weight then you need to do so with the fragrance.

While we talk "ounce per pound of oils", you really should THINK "%" (1 oz ppo ~ 6%, btw)

krissy · Feb 25, 2012

carebear said:
those ounces are ounces by weight.

you need to measure all your components the same way. since you measure your oils, butters, lye, and water by weight then you need to do so with the fragrance.

While we talk "ounce per pound of oils", you really should THINK "%" (1 oz ppo ~ 6%, btw)

i never put that together in my head, thanks!!

brewsie · Feb 26, 2012

carebear said:
While we talk "ounce per pound of oils", you really should THINK "%" (1 oz ppo ~ 6%, btw)

do i need to somehow calculate essential oils as part of my base oils into my recipe? i know on the lye calculator at http://www.soapcalc.net/ there is a field for 'fragrance oz per pound' but i've never used it... uh oh! should i be, with essential oils?

IrishLass · Feb 26, 2012

brewsie said:
do i need to somehow calculate essential oils as part of my base oils into my recipe?

No.

brewsie said:
i know on the lye calculator at http://www.soapcalc.net/ there is a field for 'fragrance oz per pound' but i've never used it... uh oh! should i be, with essential oils?

Yes.

IrishLass

measuring fragrance/essential oils, weight vs volume?

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