Permissible count for botanical extracts
A client has an issue: they bought a botanical extract which they use at 0.01% in their formulas (shampoo, conditioner, and leave-on spray). The count for mold was up to 200 cfu/mL while their spec is less than 10 cfu/mL. Does this mold count put their products at risk at such low dosage? I have the experience that sometimes manufacturers’ specs are more strict than needed, so I want to know if that’s the case.
Since the availability of this ingredient put a launch under risk, I was trying to think outside the box (maybe too much outside that my proposal is silly, hehe), but I was thinking since those formulas all use Citric acid, that they could use a high load of that acid to mix it with the botanical extract, in order to reduce mold count, and leave it for a while before using it. Not sure if this would work, but wanted to know your opinion. The last thing I want is for them to launch an unsafe product, so we’ll be responsible. By the way, the preservative system of their products is EDTA/Phenoxyethanol/Sodium benzoate.
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