getdirtysoaps
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- Sep 21, 2012
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Do I need a preservative for a salt scrub using salt, dried flowers or herbs, and oil? If so would Tinosan SCD work?
Genny said:If you're only using salt, herbs & oil, then optiphen I don't believe would be a good idea since it's a water soluble preservative. So Liquipar would probably be better.
Formulating Guidelines:
? Optiphen is suitable for anhydrous formulations and emulsions, such as creams, lotions, salves, body butters, and body scrubs.
Hazel said:Where did you get your info for Optiphen? I used to think it couldn't be used in anhydrous products. Recently I was researching preservatives and I found more info from several sites that Optiphen could be used. Since I had been using 2 different preservatives for anhydrous and hydrous emulsions, I was thrilled to find out I could just buy one since I needed to buy more preservative. Also, Swift stated Optiphen wasn't a broad spectrum preservative but I was also seeing the sites state it was a broad spectrum preservative. Another plus is it isn't pH restricted and can be added at a higher temperature. I ordered 8 oz.
Optiphen preservative
INCI Name: Phenoxyethanol (and) Caprylyl Glycol
Broad-spectrum activity against bacteria, yeast and mold additional fungicidal protection may be needed in difficult formulations
Effective over pH of 4 to 8
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