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Understanding this preservative
Hi all,
I was wondering if you could help me understand what type of bacteria (gram +/-) and YMF this preservative would be effective against? The preservative is Triethyl Citrate (and) Caprylyl Glycol (and) Benzoic Acid.
I understand that Benzoic Acid is effective against yeast and mold. However, what is Triethyl Citrate effective against?
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8 Replies
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Not much
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So it’s only the Benzoic Acid that’s doing the preserving?
If that’s the case can this preservative be used instead of this: Sodium Benzoate (and) Potassium Sorbate (and) Aqua to cover YMF? Or is the latter way better
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Can’t offer comment to that without context - product, pH, other preservatives.
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Sure, if I was to make a facial Cleanser and want the pH to be 4-5 and I’m using phenoxyethanol (and) Ethylhexylglycerin as one of my Preservatives. Now, I want to use another preservative to cover YMF. Would it be fine to use either Sodium benzoate & Potassium Sorbate, or Triethyl Citrate, Caprylyl Glycol & benzoic acid? Hope this clarifies it.
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Organic acid(s) prob ok for y/m. I’d also add a chelator?
Please challenge test.
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Cool, yeah I usually add GLDA as its the only chelator I have.
I wanted to check if it’s true that Sodium Benzoate & Potassium Sorbate are effective against fungi? I read that on sciencedirect and also NCBI website I think.
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They should be with right pH. Added as salts. I prefer just benzoate - sorbic acid stability can be troublesome.
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And not aware of a legal version or sorbate for US household products. Legal (EPA registered) benzoate can be obtained from Emerald Kamala (Lanxess).
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