where can you find ROE and EDTA,

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I have the book scientific soap making, and they guy mentioned that DOS is caused by oxidation of metals and that preservatives such as ROE and EDTA can greatly reduce this plague in your soap . but i cant seem to find who sells them
 

glendam

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I have gotten the ROE from New Direction aromatics, and the EDTA from lotion crafter’s or Makeyourown.
 

LynetteO

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I got my ROE from Wholesale Supplies Plus. $7 for .5oz
 

LynetteO

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thank you all , now how much do you use in a pound of soap ?
Found this at WSP Q&A about their product.
D149F345-A870-4E4D-B76D-72F1999CB312.jpeg
 

earlene

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Re: ROE usage in soap:

"0.2 to 1.0 g ROE per 1000 g fat (0.02% to 0.1% based on total fat weight) "



And more detail about research on using ROE in combination with chelators to prevent DOS:

DreadedOrangeSpot-Dunn.pdf (cavemanchemistry.com)

If the above won't open for you (some browsers won't), then here it is at the HCSG site.


Before I knew anything about DeeAnna's site with her fantastic compilation of soapy information, Dr. Dunn's paper was a constant reference point for me for DOS prevention.
 

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