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Can i add preservative to these raw materials?
I purchase amodimethicone micro emulsion from china and usually it takes 3 months to arrive. It is in 50 kg drum and preserved only with 0.4% phenoxyethanol. So can i add 0.1% formalin or 0.1% CMI MI to these 50kg drums to bost the preservation?
Ingredients are amodimethicone and trideceth-12 micro emulsion
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