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Author Topic: acids in soap  (Read 1198 times)
sandyrs
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« on: October 06, 2011, 11:08:35 AM »

I have read that the acid  numbers shouldn't be to high, but what is the top of the scale for these numbers. I can't seen to find the info. anywhere. Palmitic for example, It seems to me that I read it should be around 9% or below so I am assuming these Numbers would not have a high point of 100%. So I guess what I am asking is what Numbers should I stay between for the lowest and highest number, or does it differ for each acid?
one of my recipes has:
Luaric 14
Myristic 6
Palmitic 17
Stearic 6
Ricinoleic 5
Oleic 41
Linoleic 8
Linolenic 0

Someone told be this would be a really hard bar. I know the Lauric, Myristic, Palmitic and Stearic contribute to hardness as does Olive, Palm and Cocoa Butter. I  don't want a bar that will melt away but I also don't want one that will be so hard that it will not lather etc.
I would appreciate any thoughts on this as I am at a total loss, or am I making to much out of these numbers?
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Opulence
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« Reply #1 on: October 06, 2011, 06:49:47 PM »

Hi,
Try running your recipe through www.SoapCalc.com.  It would give you the specifics of the bar (hardness, conditioning, bubbly, etc.).
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sandyrs
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« Reply #2 on: October 08, 2011, 05:09:37 PM »

Hi, these numbers are from Soap Calc.  What I am trying to figure out... Which numbers are considered the best range for these acids. I have read that some of these numbers shouldn't be to high but what is to high?  Example Palmitic is 17, is this suitable or should I be trying to lower the number?
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Opulence
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« Reply #3 on: October 08, 2011, 07:46:31 PM »

Hi,
I'm not sure if we should look at each individual acid number or the collective total number.  Soapcalc gives you a range on the five categories . . . you might want to look more at your desired hardness, cleanliness, conditioning, bubbly, creamy and iodine and make sure your numbers fall within those ranges.

Suggested Ranges:

Hardness:  29 - 54
Cleansing:  12 - 22
Conditioning:  44 - 69
Bubbly:  14 - 46
Creamy:  16 - 48
Iodine:  41 - 70

You should choose your combination of oils to come up with your best bars!
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ping40
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« Reply #4 on: October 09, 2011, 08:30:02 PM »

Thats too scientific for me...I just go by the same thing Opulence does. I also look at the sat:unsat fats ratio...upper right hand corner on soapcalc. I like them to be about "30" apart. but I have no idea if this is a science , It just works better for me and my skin and to date Ive had great reviews my soaps...(goin on 4 yrs now)
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