Pengu Posted September 4, 2011 Share Posted September 4, 2011 I am working on a facial mist for inflammed, irritated skin. It will contain roman chamomile hydrosol and some calendula extract. The calendula extract is water soluble so Im presuming I add it to the hydrosol. Now do I have to add a preservative to this facial mist? Quote Link to comment Share on other sites More sharing options...
TallTayl Posted September 4, 2011 Share Posted September 4, 2011 Absolutely yes. Preservative in addition to regular heat & hold and adherence to GMP. Quote Link to comment Share on other sites More sharing options...
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