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Teach Soap • View topic - Question for the chemists

Teach Soap

Soap Making Recipes, Tips and Tutorials
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PostPosted: Tue Jun 22, 2010 4:58 am 

Joined: Mon Jun 14, 2010 4:19 pm
Posts: 78
Location: Charlestown, In
For the sake of argument lets say you're making a batch of soap that's 100 ounces.
You're making it at zero percent superfat.
You add 4 ounces of EO
Have you now made your soap with 4% superfat?


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PostPosted: Tue Jun 22, 2010 6:55 am 

Joined: Thu Apr 15, 2010 7:31 pm
Posts: 108
I would argue that it would count as a superfat, because superfat is described as the oils that haven't reacted with the lye to make soap. And an EO is an oil. (Chemist point of view)

I'm an amateur at soap though. :)


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PostPosted: Tue Jun 22, 2010 7:17 am 

Joined: Mon Jun 14, 2010 4:19 pm
Posts: 78
Location: Charlestown, In
Thats what I was thinking . . so when I make a soap at 5% it really ends up at 8.34% superfat? Considering the addition of
2 ounces scent

(2 ounces of 58.5 = 3.4% right? figuring 2 divided by 58.5 )


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PostPosted: Tue Jun 22, 2010 8:33 am 
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Joined: Tue Apr 22, 2008 3:16 am
Posts: 798
Location: Pennsylvania
I was wondering that too since I just made some 10x orange EO soap. I used 2.5 oz. plus .5 of Patchouli .


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PostPosted: Tue Jun 22, 2010 10:12 am 
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Location: Mistress Of Lather
EO's do not have a SAP value and thus would not make any superfat. So if you have a soap with 0% superfat and add essential oils, you would still have soap with 0% superfat.

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Irena
Closed minds are like faulty parachutes; they refuse to open.


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PostPosted: Tue Jun 22, 2010 10:41 am 
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Location: Pennsylvania
good to know. I was thinking that oil is oil.


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PostPosted: Tue Jun 22, 2010 3:02 pm 

Joined: Mon Jun 14, 2010 4:19 pm
Posts: 78
Location: Charlestown, In
Yes, good info to know. THANK YOU
(I had thought the carrier oils were like a vegetable based oil or something)


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PostPosted: Tue Jun 22, 2010 4:58 pm 
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If the essential oil is prediluted in a carrier oil like almond, it might make a difference in your superfat; especially in smaller batches. If it's just EO, it won't make a difference.

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Irena
Closed minds are like faulty parachutes; they refuse to open.


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PostPosted: Wed Jun 23, 2010 2:08 am 

Joined: Mon Jun 14, 2010 4:19 pm
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Location: Charlestown, In
thanks again!!

At least I'll have peace of mind now. I worry about the little things - and needing answers.. ha ha


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